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Finding the Fourth Proportional to 444,919.44, 667,239.72 and 145,331.76

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Solution

The fourth proportional to 444,919.44, 667,239.72 and 145,331.76 is: 217,952.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,919.44 : 667,239.72 = 145,331.76 : x
  2. Step 2: Convert to fraction form
    444,919.44/667,239.72 = 145,331.76/x
  3. Step 3: Cross multiply
    444,919.44x = 667,239.72 × 145,331.76
  4. Step 4: Simplify right side
    444,919.44x = 96,971,122,849.51
  5. Step 5: Solve for x
    x = 96,971,122,849.51/444,919.44
  6. Step 6: Final answer
    x = 217,952.09

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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.