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Finding the Fourth Proportional to 379,194.56, 568,909.20 and 227,560.96

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Solution

The fourth proportional to 379,194.56, 568,909.20 and 227,560.96 is: 341,411.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,194.56 : 568,909.20 = 227,560.96 : x
  2. Step 2: Convert to fraction form
    379,194.56/568,909.20 = 227,560.96/x
  3. Step 3: Cross multiply
    379,194.56x = 568,909.20 × 227,560.96
  4. Step 4: Simplify right side
    379,194.56x = 129,461,523,704.83
  5. Step 5: Solve for x
    x = 129,461,523,704.83/379,194.56
  6. Step 6: Final answer
    x = 341,411.87

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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.