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Finding the Fourth Proportional to 367,149.87, 550,212.21 and 198,306.18

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Solution

The fourth proportional to 367,149.87, 550,212.21 and 198,306.18 is: 297,182.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,149.87 : 550,212.21 = 198,306.18 : x
  2. Step 2: Convert to fraction form
    367,149.87/550,212.21 = 198,306.18/x
  3. Step 3: Cross multiply
    367,149.87x = 550,212.21 × 198,306.18
  4. Step 4: Simplify right side
    367,149.87x = 109,110,481,554.46
  5. Step 5: Solve for x
    x = 109,110,481,554.46/367,149.87
  6. Step 6: Final answer
    x = 297,182.41

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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.