document.write( "Question 1047816: the sum of 4 numbersis 726. the average of the first three numbers is 149. what is the forth number ? \n" ); document.write( "
Algebra.Com's Answer #663363 by stanbon(75887)\"\" \"About 
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the sum of 4 numbersis 726. the average of the first three numbers is 149. what is the forth number ?
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\n" ); document.write( "Sum of the 1st 3 numbers is 3*149 = 437
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\n" ); document.write( "4th number = sum of 4 numbers - sum of 3 numbers = 726-437 = 289
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\n" ); document.write( "Cheers,
\n" ); document.write( "Stan H.
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