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Finding the Fourth Proportional to 472,237.92, 707,358.08 and 381,892.96

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Solution

The fourth proportional to 472,237.92, 707,358.08 and 381,892.96 is: 572,031.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,237.92 : 707,358.08 = 381,892.96 : x
  2. Step 2: Convert to fraction form
    472,237.92/707,358.08 = 381,892.96/x
  3. Step 3: Cross multiply
    472,237.92x = 707,358.08 × 381,892.96
  4. Step 4: Simplify right side
    472,237.92x = 270,135,070,951.12
  5. Step 5: Solve for x
    x = 270,135,070,951.12/472,237.92
  6. Step 6: Final answer
    x = 572,031.72

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.