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Finding the Fourth Proportional to 373,956.96, 516,081.60 and 204,206.88

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Solution

The fourth proportional to 373,956.96, 516,081.60 and 204,206.88 is: 281,816.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,956.96 : 516,081.60 = 204,206.88 : x
  2. Step 2: Convert to fraction form
    373,956.96/516,081.60 = 204,206.88/x
  3. Step 3: Cross multiply
    373,956.96x = 516,081.60 × 204,206.88
  4. Step 4: Simplify right side
    373,956.96x = 105,387,413,361.41
  5. Step 5: Solve for x
    x = 105,387,413,361.41/373,956.96
  6. Step 6: Final answer
    x = 281,816.96

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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.