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Finding the Fourth Proportional to 396,052.82, 593,841.95 and 126,064.32

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Solution

The fourth proportional to 396,052.82, 593,841.95 and 126,064.32 is: 189,020.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,052.82 : 593,841.95 = 126,064.32 : x
  2. Step 2: Convert to fraction form
    396,052.82/593,841.95 = 126,064.32/x
  3. Step 3: Cross multiply
    396,052.82x = 593,841.95 × 126,064.32
  4. Step 4: Simplify right side
    396,052.82x = 74,862,280,983.90
  5. Step 5: Solve for x
    x = 74,862,280,983.90/396,052.82
  6. Step 6: Final answer
    x = 189,020.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.