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Finding the Fourth Proportional to 444,771, 667,221.71 and 141,063.89

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Solution

The fourth proportional to 444,771, 667,221.71 and 141,063.89 is: 211,616.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,771 : 667,221.71 = 141,063.89 : x
  2. Step 2: Convert to fraction form
    444,771/667,221.71 = 141,063.89/x
  3. Step 3: Cross multiply
    444,771x = 667,221.71 × 141,063.89
  4. Step 4: Simplify right side
    444,771x = 94,120,885,863.62
  5. Step 5: Solve for x
    x = 94,120,885,863.62/444,771
  6. Step 6: Final answer
    x = 211,616.51

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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.