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Finding the Fourth Proportional to 494,045.56, 681,785.22 and 267,691

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Solution

The fourth proportional to 494,045.56, 681,785.22 and 267,691 is: 369,414.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,045.56 : 681,785.22 = 267,691 : x
  2. Step 2: Convert to fraction form
    494,045.56/681,785.22 = 267,691/x
  3. Step 3: Cross multiply
    494,045.56x = 681,785.22 × 267,691
  4. Step 4: Simplify right side
    494,045.56x = 182,507,767,327.02
  5. Step 5: Solve for x
    x = 182,507,767,327.02/494,045.56
  6. Step 6: Final answer
    x = 369,414.85

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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.