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Finding the Fourth Proportional to 482,694.60, 666,123.12 and 267,854.64

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Solution

The fourth proportional to 482,694.60, 666,123.12 and 267,854.64 is: 369,641.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,694.60 : 666,123.12 = 267,854.64 : x
  2. Step 2: Convert to fraction form
    482,694.60/666,123.12 = 267,854.64/x
  3. Step 3: Cross multiply
    482,694.60x = 666,123.12 × 267,854.64
  4. Step 4: Simplify right side
    482,694.60x = 178,424,168,503.28
  5. Step 5: Solve for x
    x = 178,424,168,503.28/482,694.60
  6. Step 6: Final answer
    x = 369,641.94

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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.