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Finding the Fourth Proportional to 379,195.56, 568,910.70 and 227,561.96

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Solution

The fourth proportional to 379,195.56, 568,910.70 and 227,561.96 is: 341,413.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,195.56 : 568,910.70 = 227,561.96 : x
  2. Step 2: Convert to fraction form
    379,195.56/568,910.70 = 227,561.96/x
  3. Step 3: Cross multiply
    379,195.56x = 568,910.70 × 227,561.96
  4. Step 4: Simplify right side
    379,195.56x = 129,462,433,956.97
  5. Step 5: Solve for x
    x = 129,462,433,956.97/379,195.56
  6. Step 6: Final answer
    x = 341,413.37

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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.