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Finding the Fourth Proportional to 573,737.92, 791,753.95 and 315,609.31

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Solution

The fourth proportional to 573,737.92, 791,753.95 and 315,609.31 is: 435,538.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,737.92 : 791,753.95 = 315,609.31 : x
  2. Step 2: Convert to fraction form
    573,737.92/791,753.95 = 315,609.31/x
  3. Step 3: Cross multiply
    573,737.92x = 791,753.95 × 315,609.31
  4. Step 4: Simplify right side
    573,737.92x = 249,884,912,312.46
  5. Step 5: Solve for x
    x = 249,884,912,312.46/573,737.92
  6. Step 6: Final answer
    x = 435,538.43

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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.