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Finding the Fourth Proportional to 373,960.76, 516,065.82 and 204,195.04

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Solution

The fourth proportional to 373,960.76, 516,065.82 and 204,195.04 is: 281,789.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,960.76 : 516,065.82 = 204,195.04 : x
  2. Step 2: Convert to fraction form
    373,960.76/516,065.82 = 204,195.04/x
  3. Step 3: Cross multiply
    373,960.76x = 516,065.82 × 204,195.04
  4. Step 4: Simplify right side
    373,960.76x = 105,378,080,757.53
  5. Step 5: Solve for x
    x = 105,378,080,757.53/373,960.76
  6. Step 6: Final answer
    x = 281,789.14

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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.