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Finding the Fourth Proportional to 396,707.22, 595,098.63 and 112,403.70

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Solution

The fourth proportional to 396,707.22, 595,098.63 and 112,403.70 is: 168,616.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,707.22 : 595,098.63 = 112,403.70 : x
  2. Step 2: Convert to fraction form
    396,707.22/595,098.63 = 112,403.70/x
  3. Step 3: Cross multiply
    396,707.22x = 595,098.63 × 112,403.70
  4. Step 4: Simplify right side
    396,707.22x = 66,891,287,876.93
  5. Step 5: Solve for x
    x = 66,891,287,876.93/396,707.22
  6. Step 6: Final answer
    x = 168,616.26

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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.