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Finding the Fourth Proportional to 568,505.82, 853,204.20 and 396,609.66

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Solution

The fourth proportional to 568,505.82, 853,204.20 and 396,609.66 is: 595,225.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,505.82 : 853,204.20 = 396,609.66 : x
  2. Step 2: Convert to fraction form
    568,505.82/853,204.20 = 396,609.66/x
  3. Step 3: Cross multiply
    568,505.82x = 853,204.20 × 396,609.66
  4. Step 4: Simplify right side
    568,505.82x = 338,389,027,672.57
  5. Step 5: Solve for x
    x = 338,389,027,672.57/568,505.82
  6. Step 6: Final answer
    x = 595,225.27

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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.