document.write( "Question 1016426: Find the sum of the infinite series
\n" ); document.write( "315+189+113.4+68.04+.....
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Algebra.Com's Answer #632800 by fractalier(6550)\"\" \"About 
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We need the ratio r...here
\n" ); document.write( "r = 189/315 = .6
\n" ); document.write( "Then an infinite sum is found by
\n" ); document.write( "S = a1 / (1-r) = 315 / (1 - .6) = 315 / .4 = 787.5
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