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Finding the Fourth Proportional to 367,026.80, 550,540.20 and 242,367.80

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Solution

The fourth proportional to 367,026.80, 550,540.20 and 242,367.80 is: 363,551.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,026.80 : 550,540.20 = 242,367.80 : x
  2. Step 2: Convert to fraction form
    367,026.80/550,540.20 = 242,367.80/x
  3. Step 3: Cross multiply
    367,026.80x = 550,540.20 × 242,367.80
  4. Step 4: Simplify right side
    367,026.80x = 133,433,217,085.56
  5. Step 5: Solve for x
    x = 133,433,217,085.56/367,026.80
  6. Step 6: Final answer
    x = 363,551.70

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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.