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Finding the Fourth Proportional to 444,911.70, 667,367.55 and 360,930.90

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Solution

The fourth proportional to 444,911.70, 667,367.55 and 360,930.90 is: 541,396.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,911.70 : 667,367.55 = 360,930.90 : x
  2. Step 2: Convert to fraction form
    444,911.70/667,367.55 = 360,930.90/x
  3. Step 3: Cross multiply
    444,911.70x = 667,367.55 × 360,930.90
  4. Step 4: Simplify right side
    444,911.70x = 240,873,570,452.30
  5. Step 5: Solve for x
    x = 240,873,570,452.30/444,911.70
  6. Step 6: Final answer
    x = 541,396.35

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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.