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Finding the Fourth Proportional to 482,572.76, 665,951.19 and 267,712.83

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Solution

The fourth proportional to 482,572.76, 665,951.19 and 267,712.83 is: 369,444.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,572.76 : 665,951.19 = 267,712.83 : x
  2. Step 2: Convert to fraction form
    482,572.76/665,951.19 = 267,712.83/x
  3. Step 3: Cross multiply
    482,572.76x = 665,951.19 × 267,712.83
  4. Step 4: Simplify right side
    482,572.76x = 178,283,676,712.85
  5. Step 5: Solve for x
    x = 178,283,676,712.85/482,572.76
  6. Step 6: Final answer
    x = 369,444.14

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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.