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Finding the Fourth Proportional to 499,517.22, 688,873.66 and 327,372.48

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Solution

The fourth proportional to 499,517.22, 688,873.66 and 327,372.48 is: 451,472.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,517.22 : 688,873.66 = 327,372.48 : x
  2. Step 2: Convert to fraction form
    499,517.22/688,873.66 = 327,372.48/x
  3. Step 3: Cross multiply
    499,517.22x = 688,873.66 × 327,372.48
  4. Step 4: Simplify right side
    499,517.22x = 225,518,278,480.88
  5. Step 5: Solve for x
    x = 225,518,278,480.88/499,517.22
  6. Step 6: Final answer
    x = 451,472.48

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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.