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Finding the Fourth Proportional to 569,230.20, 853,154.10 and 253,351.80

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Solution

The fourth proportional to 569,230.20, 853,154.10 and 253,351.80 is: 379,720.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,230.20 : 853,154.10 = 253,351.80 : x
  2. Step 2: Convert to fraction form
    569,230.20/853,154.10 = 253,351.80/x
  3. Step 3: Cross multiply
    569,230.20x = 853,154.10 × 253,351.80
  4. Step 4: Simplify right side
    569,230.20x = 216,148,126,912.38
  5. Step 5: Solve for x
    x = 216,148,126,912.38/569,230.20
  6. Step 6: Final answer
    x = 379,720.06

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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.