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Finding the Fourth Proportional to 568,962.60, 853,149.86 and 209,041.53

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Solution

The fourth proportional to 568,962.60, 853,149.86 and 209,041.53 is: 313,454.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,962.60 : 853,149.86 = 209,041.53 : x
  2. Step 2: Convert to fraction form
    568,962.60/853,149.86 = 209,041.53/x
  3. Step 3: Cross multiply
    568,962.60x = 853,149.86 × 209,041.53
  4. Step 4: Simplify right side
    568,962.60x = 178,343,752,053.69
  5. Step 5: Solve for x
    x = 178,343,752,053.69/568,962.60
  6. Step 6: Final answer
    x = 313,454.26

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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.