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Finding the Fourth Proportional to 568,961.10, 853,147.61 and 209,040.03

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Solution

The fourth proportional to 568,961.10, 853,147.61 and 209,040.03 is: 313,452.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,961.10 : 853,147.61 = 209,040.03 : x
  2. Step 2: Convert to fraction form
    568,961.10/853,147.61 = 209,040.03/x
  3. Step 3: Cross multiply
    568,961.10x = 853,147.61 × 209,040.03
  4. Step 4: Simplify right side
    568,961.10x = 178,341,998,245.69
  5. Step 5: Solve for x
    x = 178,341,998,245.69/568,961.10
  6. Step 6: Final answer
    x = 313,452.01

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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.