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Finding the Fourth Proportional to 568,954.62, 853,431.66 and 169,585.20

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Solution

The fourth proportional to 568,954.62, 853,431.66 and 169,585.20 is: 254,377.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,954.62 : 853,431.66 = 169,585.20 : x
  2. Step 2: Convert to fraction form
    568,954.62/853,431.66 = 169,585.20/x
  3. Step 3: Cross multiply
    568,954.62x = 853,431.66 × 169,585.20
  4. Step 4: Simplify right side
    568,954.62x = 144,729,378,747.43
  5. Step 5: Solve for x
    x = 144,729,378,747.43/568,954.62
  6. Step 6: Final answer
    x = 254,377.72

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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.