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Finding the Fourth Proportional to 482,691.98, 666,114.92 and 267,866.61

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Solution

The fourth proportional to 482,691.98, 666,114.92 and 267,866.61 is: 369,655.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,691.98 : 666,114.92 = 267,866.61 : x
  2. Step 2: Convert to fraction form
    482,691.98/666,114.92 = 267,866.61/x
  3. Step 3: Cross multiply
    482,691.98x = 666,114.92 × 267,866.61
  4. Step 4: Simplify right side
    482,691.98x = 178,429,946,160.49
  5. Step 5: Solve for x
    x = 178,429,946,160.49/482,691.98
  6. Step 6: Final answer
    x = 369,655.92

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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.