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Finding the Fourth Proportional to 444,900.83, 667,465 and 129,357.74

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Solution

The fourth proportional to 444,900.83, 667,465 and 129,357.74 is: 194,069.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,900.83 : 667,465 = 129,357.74 : x
  2. Step 2: Convert to fraction form
    444,900.83/667,465 = 129,357.74/x
  3. Step 3: Cross multiply
    444,900.83x = 667,465 × 129,357.74
  4. Step 4: Simplify right side
    444,900.83x = 86,341,760,591.78
  5. Step 5: Solve for x
    x = 86,341,760,591.78/444,900.83
  6. Step 6: Final answer
    x = 194,069.68

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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.