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Finding the Fourth Proportional to 482,572.56, 665,950.92 and 267,712.64

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Solution

The fourth proportional to 482,572.56, 665,950.92 and 267,712.64 is: 369,443.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,572.56 : 665,950.92 = 267,712.64 : x
  2. Step 2: Convert to fraction form
    482,572.56/665,950.92 = 267,712.64/x
  3. Step 3: Cross multiply
    482,572.56x = 665,950.92 × 267,712.64
  4. Step 4: Simplify right side
    482,572.56x = 178,283,478,903.63
  5. Step 5: Solve for x
    x = 178,283,478,903.63/482,572.56
  6. Step 6: Final answer
    x = 369,443.88

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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.