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Finding the Fourth Proportional to 444,930.20, 667,395.30 and 360,949.40

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Solution

The fourth proportional to 444,930.20, 667,395.30 and 360,949.40 is: 541,424.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,930.20 : 667,395.30 = 360,949.40 : x
  2. Step 2: Convert to fraction form
    444,930.20/667,395.30 = 360,949.40/x
  3. Step 3: Cross multiply
    444,930.20x = 667,395.30 × 360,949.40
  4. Step 4: Simplify right side
    444,930.20x = 240,895,933,097.82
  5. Step 5: Solve for x
    x = 240,895,933,097.82/444,930.20
  6. Step 6: Final answer
    x = 541,424.10

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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.