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Finding the Fourth Proportional to 482,246.60, 665,537.92 and 267,428.52

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Solution

The fourth proportional to 482,246.60, 665,537.92 and 267,428.52 is: 369,072.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,246.60 : 665,537.92 = 267,428.52 : x
  2. Step 2: Convert to fraction form
    482,246.60/665,537.92 = 267,428.52/x
  3. Step 3: Cross multiply
    482,246.60x = 665,537.92 × 267,428.52
  4. Step 4: Simplify right side
    482,246.60x = 177,983,820,280.91
  5. Step 5: Solve for x
    x = 177,983,820,280.91/482,246.60
  6. Step 6: Final answer
    x = 369,072.22

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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.