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Finding the Fourth Proportional to 568,627.10, 853,235.84 and 231,914.78

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Solution

The fourth proportional to 568,627.10, 853,235.84 and 231,914.78 is: 347,992.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,627.10 : 853,235.84 = 231,914.78 : x
  2. Step 2: Convert to fraction form
    568,627.10/853,235.84 = 231,914.78/x
  3. Step 3: Cross multiply
    568,627.10x = 853,235.84 × 231,914.78
  4. Step 4: Simplify right side
    568,627.10x = 197,877,996,695.96
  5. Step 5: Solve for x
    x = 197,877,996,695.96/568,627.10
  6. Step 6: Final answer
    x = 347,992.56

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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.