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Finding the Fourth Proportional to 396,694.46, 547,671.98 and 241,704.20

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Solution

The fourth proportional to 396,694.46, 547,671.98 and 241,704.20 is: 333,694.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,694.46 : 547,671.98 = 241,704.20 : x
  2. Step 2: Convert to fraction form
    396,694.46/547,671.98 = 241,704.20/x
  3. Step 3: Cross multiply
    396,694.46x = 547,671.98 × 241,704.20
  4. Step 4: Simplify right side
    396,694.46x = 132,374,619,761.76
  5. Step 5: Solve for x
    x = 132,374,619,761.76/396,694.46
  6. Step 6: Final answer
    x = 333,694.15

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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.