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Finding the Fourth Proportional to 444,850.83, 667,294.70 and 129,307.74

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Solution

The fourth proportional to 444,850.83, 667,294.70 and 129,307.74 is: 193,966.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,850.83 : 667,294.70 = 129,307.74 : x
  2. Step 2: Convert to fraction form
    444,850.83/667,294.70 = 129,307.74/x
  3. Step 3: Cross multiply
    444,850.83x = 667,294.70 × 129,307.74
  4. Step 4: Simplify right side
    444,850.83x = 86,286,366,906.99
  5. Step 5: Solve for x
    x = 86,286,366,906.99/444,850.83
  6. Step 6: Final answer
    x = 193,966.97

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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.