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Finding the Fourth Proportional to 444,883.60, 667,361.82 and 129,340.12

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Solution

The fourth proportional to 444,883.60, 667,361.82 and 129,340.12 is: 194,020.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,883.60 : 667,361.82 = 129,340.12 : x
  2. Step 2: Convert to fraction form
    444,883.60/667,361.82 = 129,340.12/x
  3. Step 3: Cross multiply
    444,883.60x = 667,361.82 × 129,340.12
  4. Step 4: Simplify right side
    444,883.60x = 86,316,657,882.22
  5. Step 5: Solve for x
    x = 86,316,657,882.22/444,883.60
  6. Step 6: Final answer
    x = 194,020.77

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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.