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Finding the Fourth Proportional to 625,753.52, 938,723.94 and 226,487.71

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Solution

The fourth proportional to 625,753.52, 938,723.94 and 226,487.71 is: 339,765.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,753.52 : 938,723.94 = 226,487.71 : x
  2. Step 2: Convert to fraction form
    625,753.52/938,723.94 = 226,487.71/x
  3. Step 3: Cross multiply
    625,753.52x = 938,723.94 × 226,487.71
  4. Step 4: Simplify right side
    625,753.52x = 212,609,431,365.38
  5. Step 5: Solve for x
    x = 212,609,431,365.38/625,753.52
  6. Step 6: Final answer
    x = 339,765.46

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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.