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Finding the Fourth Proportional to 568,961.60, 853,148.36 and 209,040.53

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Solution

The fourth proportional to 568,961.60, 853,148.36 and 209,040.53 is: 313,452.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,961.60 : 853,148.36 = 209,040.53 : x
  2. Step 2: Convert to fraction form
    568,961.60/853,148.36 = 209,040.53/x
  3. Step 3: Cross multiply
    568,961.60x = 853,148.36 × 209,040.53
  4. Step 4: Simplify right side
    568,961.60x = 178,342,581,077.29
  5. Step 5: Solve for x
    x = 178,342,581,077.29/568,961.60
  6. Step 6: Final answer
    x = 313,452.76

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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.