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Finding the Fourth Proportional to 488,251.60, 732,377.50 and 133,275.17

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Solution

The fourth proportional to 488,251.60, 732,377.50 and 133,275.17 is: 199,912.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,251.60 : 732,377.50 = 133,275.17 : x
  2. Step 2: Convert to fraction form
    488,251.60/732,377.50 = 133,275.17/x
  3. Step 3: Cross multiply
    488,251.60x = 732,377.50 × 133,275.17
  4. Step 4: Simplify right side
    488,251.60x = 97,607,737,314.43
  5. Step 5: Solve for x
    x = 97,607,737,314.43/488,251.60
  6. Step 6: Final answer
    x = 199,912.79

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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.