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Finding the Fourth Proportional to 381,073.28, 525,639.58 and 244,872.86

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Solution

The fourth proportional to 381,073.28, 525,639.58 and 244,872.86 is: 337,769.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,073.28 : 525,639.58 = 244,872.86 : x
  2. Step 2: Convert to fraction form
    381,073.28/525,639.58 = 244,872.86/x
  3. Step 3: Cross multiply
    381,073.28x = 525,639.58 × 244,872.86
  4. Step 4: Simplify right side
    381,073.28x = 128,714,864,043.42
  5. Step 5: Solve for x
    x = 128,714,864,043.42/381,073.28
  6. Step 6: Final answer
    x = 337,769.33

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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.