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Finding the Fourth Proportional to 274,791.54, 381,152.42 and 267,508.02

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Solution

The fourth proportional to 274,791.54, 381,152.42 and 267,508.02 is: 371,049.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,791.54 : 381,152.42 = 267,508.02 : x
  2. Step 2: Convert to fraction form
    274,791.54/381,152.42 = 267,508.02/x
  3. Step 3: Cross multiply
    274,791.54x = 381,152.42 × 267,508.02
  4. Step 4: Simplify right side
    274,791.54x = 101,961,327,854.87
  5. Step 5: Solve for x
    x = 101,961,327,854.87/274,791.54
  6. Step 6: Final answer
    x = 371,049.73

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.