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Finding the Fourth Proportional to 449,549.52, 674,101.20 and 165,228.60

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Solution

The fourth proportional to 449,549.52, 674,101.20 and 165,228.60 is: 247,760.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,549.52 : 674,101.20 = 165,228.60 : x
  2. Step 2: Convert to fraction form
    449,549.52/674,101.20 = 165,228.60/x
  3. Step 3: Cross multiply
    449,549.52x = 674,101.20 × 165,228.60
  4. Step 4: Simplify right side
    449,549.52x = 111,380,797,534.32
  5. Step 5: Solve for x
    x = 111,380,797,534.32/449,549.52
  6. Step 6: Final answer
    x = 247,760.91

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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.