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Finding the Fourth Proportional to 444,882.60, 667,360.32 and 129,339.12

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Solution

The fourth proportional to 444,882.60, 667,360.32 and 129,339.12 is: 194,019.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,882.60 : 667,360.32 = 129,339.12 : x
  2. Step 2: Convert to fraction form
    444,882.60/667,360.32 = 129,339.12/x
  3. Step 3: Cross multiply
    444,882.60x = 667,360.32 × 129,339.12
  4. Step 4: Simplify right side
    444,882.60x = 86,315,796,511.72
  5. Step 5: Solve for x
    x = 86,315,796,511.72/444,882.60
  6. Step 6: Final answer
    x = 194,019.27

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1.5x scale

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.