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Finding the Fourth Proportional to 374,423.62, 516,704.85 and 204,657.73

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Solution

The fourth proportional to 374,423.62, 516,704.85 and 204,657.73 is: 282,427.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,423.62 : 516,704.85 = 204,657.73 : x
  2. Step 2: Convert to fraction form
    374,423.62/516,704.85 = 204,657.73/x
  3. Step 3: Cross multiply
    374,423.62x = 516,704.85 × 204,657.73
  4. Step 4: Simplify right side
    374,423.62x = 105,747,641,680.99
  5. Step 5: Solve for x
    x = 105,747,641,680.99/374,423.62
  6. Step 6: Final answer
    x = 282,427.81

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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.