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Finding the Fourth Proportional to 396,070.68, 593,868.68 and 126,082.20

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Solution

The fourth proportional to 396,070.68, 593,868.68 and 126,082.20 is: 189,047.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,070.68 : 593,868.68 = 126,082.20 : x
  2. Step 2: Convert to fraction form
    396,070.68/593,868.68 = 126,082.20/x
  3. Step 3: Cross multiply
    396,070.68x = 593,868.68 × 126,082.20
  4. Step 4: Simplify right side
    396,070.68x = 74,876,269,685.50
  5. Step 5: Solve for x
    x = 74,876,269,685.50/396,070.68
  6. Step 6: Final answer
    x = 189,047.75

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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.