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Finding the Fourth Proportional to 367,624.20, 550,853.10 and 242,819.40

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Solution

The fourth proportional to 367,624.20, 550,853.10 and 242,819.40 is: 363,843.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,624.20 : 550,853.10 = 242,819.40 : x
  2. Step 2: Convert to fraction form
    367,624.20/550,853.10 = 242,819.40/x
  3. Step 3: Cross multiply
    367,624.20x = 550,853.10 × 242,819.40
  4. Step 4: Simplify right side
    367,624.20x = 133,757,819,230.14
  5. Step 5: Solve for x
    x = 133,757,819,230.14/367,624.20
  6. Step 6: Final answer
    x = 363,843.89

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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.