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Finding the Fourth Proportional to 449,462.34, 674,196.75 and 112,508.82

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Solution

The fourth proportional to 449,462.34, 674,196.75 and 112,508.82 is: 168,764.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,462.34 : 674,196.75 = 112,508.82 : x
  2. Step 2: Convert to fraction form
    449,462.34/674,196.75 = 112,508.82/x
  3. Step 3: Cross multiply
    449,462.34x = 674,196.75 × 112,508.82
  4. Step 4: Simplify right side
    449,462.34x = 75,853,080,790.34
  5. Step 5: Solve for x
    x = 75,853,080,790.34/449,462.34
  6. Step 6: Final answer
    x = 168,764.04

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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.