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Finding the Fourth Proportional to 374,637.96, 516,789.92 and 231,295.91

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Solution

The fourth proportional to 374,637.96, 516,789.92 and 231,295.91 is: 319,058.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,637.96 : 516,789.92 = 231,295.91 : x
  2. Step 2: Convert to fraction form
    374,637.96/516,789.92 = 231,295.91/x
  3. Step 3: Cross multiply
    374,637.96x = 516,789.92 × 231,295.91
  4. Step 4: Simplify right side
    374,637.96x = 119,531,392,819.52
  5. Step 5: Solve for x
    x = 119,531,392,819.52/374,637.96
  6. Step 6: Final answer
    x = 319,058.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.