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Finding the Fourth Proportional to 449,552.52, 674,105.70 and 165,231.60

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Solution

The fourth proportional to 449,552.52, 674,105.70 and 165,231.60 is: 247,765.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,552.52 : 674,105.70 = 165,231.60 : x
  2. Step 2: Convert to fraction form
    449,552.52/674,105.70 = 165,231.60/x
  3. Step 3: Cross multiply
    449,552.52x = 674,105.70 × 165,231.60
  4. Step 4: Simplify right side
    449,552.52x = 111,383,563,380.12
  5. Step 5: Solve for x
    x = 111,383,563,380.12/449,552.52
  6. Step 6: Final answer
    x = 247,765.41

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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.