document.write( "Question 303848: I am trying to solve for N where I know (439.2/N)/(643.6/N) = 0.6824. How can I get N? \n" ); document.write( "
Algebra.Com's Answer #217723 by checkley77(12844)\"\" \"About 
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(439.2/N)/(643.6/N)=.6824
\n" ); document.write( "(439.2/N)*(N/643.6)=.6824 THE N VALUES CANCEL OUT.
\n" ); document.write( "439.2/643.6=.6824
\n" ); document.write( ".6824=.6824
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