document.write( "Question 953970: The dimensions of a rectangular box are proportional to 3, 4, and 5.
\n" ); document.write( "Find these dimensions knowing that the volume of the box is 480 cm^3.
\n" ); document.write( "Explain.
\n" ); document.write( "

Algebra.Com's Answer #582626 by JoelSchwartz(130)\"\" \"About 
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if h=3 and w=4 and L=5
\n" ); document.write( "then
\n" ); document.write( "w=4h/3
\n" ); document.write( "L=5w/4
\n" ); document.write( "The volume formula is Lwh=v
\n" ); document.write( "wLh=480
\n" ); document.write( "h*4h/3*5(4h/3)/4=480
\n" ); document.write( "4h^2/3*(20h/3)/4=480
\n" ); document.write( "4h^2/3*(5h/3/4)=480
\n" ); document.write( "16h^2/3*5h/3=1920
\n" ); document.write( "80h^3/9=1920
\n" ); document.write( "h^3=216
\n" ); document.write( "h=6
\n" ); document.write( "w=4*6/3
\n" ); document.write( "w=24/3
\n" ); document.write( "w=8
\n" ); document.write( "L=40/4
\n" ); document.write( "L=10
\n" ); document.write( "
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