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Finding the Fourth Proportional to 494,049.76, 681,789.15 and 267,695.26

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Solution

The fourth proportional to 494,049.76, 681,789.15 and 267,695.26 is: 369,419.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,049.76 : 681,789.15 = 267,695.26 : x
  2. Step 2: Convert to fraction form
    494,049.76/681,789.15 = 267,695.26/x
  3. Step 3: Cross multiply
    494,049.76x = 681,789.15 × 267,695.26
  4. Step 4: Simplify right side
    494,049.76x = 182,511,723,774.43
  5. Step 5: Solve for x
    x = 182,511,723,774.43/494,049.76
  6. Step 6: Final answer
    x = 369,419.72

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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.