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Finding the Fourth Proportional to 449,658.32, 674,471.24 and 112,701.52

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Solution

The fourth proportional to 449,658.32, 674,471.24 and 112,701.52 is: 169,048.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,658.32 : 674,471.24 = 112,701.52 : x
  2. Step 2: Convert to fraction form
    449,658.32/674,471.24 = 112,701.52/x
  3. Step 3: Cross multiply
    449,658.32x = 674,471.24 × 112,701.52
  4. Step 4: Simplify right side
    449,658.32x = 76,013,933,944.28
  5. Step 5: Solve for x
    x = 76,013,933,944.28/449,658.32
  6. Step 6: Final answer
    x = 169,048.21

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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.