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Finding the Fourth Proportional to 444,676.88, 667,033.68 and 129,133.76

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Solution

The fourth proportional to 444,676.88, 667,033.68 and 129,133.76 is: 193,705.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,676.88 : 667,033.68 = 129,133.76 : x
  2. Step 2: Convert to fraction form
    444,676.88/667,033.68 = 129,133.76/x
  3. Step 3: Cross multiply
    444,676.88x = 667,033.68 × 129,133.76
  4. Step 4: Simplify right side
    444,676.88x = 86,136,567,145.04
  5. Step 5: Solve for x
    x = 86,136,567,145.04/444,676.88
  6. Step 6: Final answer
    x = 193,705.97

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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.