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Finding the Fourth Proportional to 396,737.74, 547,665.67 and 267,850.78

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Solution

The fourth proportional to 396,737.74, 547,665.67 and 267,850.78 is: 369,747.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,737.74 : 547,665.67 = 267,850.78 : x
  2. Step 2: Convert to fraction form
    396,737.74/547,665.67 = 267,850.78/x
  3. Step 3: Cross multiply
    396,737.74x = 547,665.67 × 267,850.78
  4. Step 4: Simplify right side
    396,737.74x = 146,692,677,428.33
  5. Step 5: Solve for x
    x = 146,692,677,428.33/396,737.74
  6. Step 6: Final answer
    x = 369,747.23

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1.5x scale

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.