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Finding the Fourth Proportional to 396,759.88, 595,157.82 and 112,470.76

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Solution

The fourth proportional to 396,759.88, 595,157.82 and 112,470.76 is: 168,711.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,759.88 : 595,157.82 = 112,470.76 : x
  2. Step 2: Convert to fraction form
    396,759.88/595,157.82 = 112,470.76/x
  3. Step 3: Cross multiply
    396,759.88x = 595,157.82 × 112,470.76
  4. Step 4: Simplify right side
    396,759.88x = 66,937,852,335.34
  5. Step 5: Solve for x
    x = 66,937,852,335.34/396,759.88
  6. Step 6: Final answer
    x = 168,711.24

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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.