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Finding the Fourth Proportional to 366,712.89, 550,227.39 and 198,351.75

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Solution

The fourth proportional to 366,712.89, 550,227.39 and 198,351.75 is: 297,613.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,712.89 : 550,227.39 = 198,351.75 : x
  2. Step 2: Convert to fraction form
    366,712.89/550,227.39 = 198,351.75/x
  3. Step 3: Cross multiply
    366,712.89x = 550,227.39 × 198,351.75
  4. Step 4: Simplify right side
    366,712.89x = 109,138,565,704.43
  5. Step 5: Solve for x
    x = 109,138,565,704.43/366,712.89
  6. Step 6: Final answer
    x = 297,613.12

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.