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Finding the Fourth Proportional to 381,074.28, 525,640.96 and 244,873.86

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Solution

The fourth proportional to 381,074.28, 525,640.96 and 244,873.86 is: 337,770.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,074.28 : 525,640.96 = 244,873.86 : x
  2. Step 2: Convert to fraction form
    381,074.28/525,640.96 = 244,873.86/x
  3. Step 3: Cross multiply
    381,074.28x = 525,640.96 × 244,873.86
  4. Step 4: Simplify right side
    381,074.28x = 128,715,730,849.31
  5. Step 5: Solve for x
    x = 128,715,730,849.31/381,074.28
  6. Step 6: Final answer
    x = 337,770.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.