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Finding the Fourth Proportional to 482,774.78, 666,251.92 and 267,916.62

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Solution

The fourth proportional to 482,774.78, 666,251.92 and 267,916.62 is: 369,737.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,774.78 : 666,251.92 = 267,916.62 : x
  2. Step 2: Convert to fraction form
    482,774.78/666,251.92 = 267,916.62/x
  3. Step 3: Cross multiply
    482,774.78x = 666,251.92 × 267,916.62
  4. Step 4: Simplify right side
    482,774.78x = 178,499,962,474.91
  5. Step 5: Solve for x
    x = 178,499,962,474.91/482,774.78
  6. Step 6: Final answer
    x = 369,737.55

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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.