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Finding the Fourth Proportional to 568,728.99, 853,091.06 and 231,694.47

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Solution

The fourth proportional to 568,728.99, 853,091.06 and 231,694.47 is: 347,540.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,728.99 : 853,091.06 = 231,694.47 : x
  2. Step 2: Convert to fraction form
    568,728.99/853,091.06 = 231,694.47/x
  3. Step 3: Cross multiply
    568,728.99x = 853,091.06 × 231,694.47
  4. Step 4: Simplify right side
    568,728.99x = 197,656,479,849.97
  5. Step 5: Solve for x
    x = 197,656,479,849.97/568,728.99
  6. Step 6: Final answer
    x = 347,540.72

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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.