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Finding the Fourth Proportional to 449,659.32, 674,472.74 and 112,702.52

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Solution

The fourth proportional to 449,659.32, 674,472.74 and 112,702.52 is: 169,049.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,659.32 : 674,472.74 = 112,702.52 : x
  2. Step 2: Convert to fraction form
    449,659.32/674,472.74 = 112,702.52/x
  3. Step 3: Cross multiply
    449,659.32x = 674,472.74 × 112,702.52
  4. Step 4: Simplify right side
    449,659.32x = 76,014,777,469.30
  5. Step 5: Solve for x
    x = 76,014,777,469.30/449,659.32
  6. Step 6: Final answer
    x = 169,049.71

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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.