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Finding the Fourth Proportional to 447,591, 671,379.87 and 110,631.69

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Solution

The fourth proportional to 447,591, 671,379.87 and 110,631.69 is: 165,945.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,591 : 671,379.87 = 110,631.69 : x
  2. Step 2: Convert to fraction form
    447,591/671,379.87 = 110,631.69/x
  3. Step 3: Cross multiply
    447,591x = 671,379.87 × 110,631.69
  4. Step 4: Simplify right side
    447,591x = 74,275,889,650.08
  5. Step 5: Solve for x
    x = 74,275,889,650.08/447,591
  6. Step 6: Final answer
    x = 165,945.90

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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.