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Finding the Fourth Proportional to 374,044.92, 516,183.89 and 204,279.05

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Solution

The fourth proportional to 374,044.92, 516,183.89 and 204,279.05 is: 281,906.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,044.92 : 516,183.89 = 204,279.05 : x
  2. Step 2: Convert to fraction form
    374,044.92/516,183.89 = 204,279.05/x
  3. Step 3: Cross multiply
    374,044.92x = 516,183.89 × 204,279.05
  4. Step 4: Simplify right side
    374,044.92x = 105,445,551,072.19
  5. Step 5: Solve for x
    x = 105,445,551,072.19/374,044.92
  6. Step 6: Final answer
    x = 281,906.12

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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.