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Finding the Fourth Proportional to 449,606.92, 674,394.78 and 112,650.52

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Solution

The fourth proportional to 449,606.92, 674,394.78 and 112,650.52 is: 168,971.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,606.92 : 674,394.78 = 112,650.52 : x
  2. Step 2: Convert to fraction form
    449,606.92/674,394.78 = 112,650.52/x
  3. Step 3: Cross multiply
    449,606.92x = 674,394.78 × 112,650.52
  4. Step 4: Simplify right side
    449,606.92x = 75,970,922,652.29
  5. Step 5: Solve for x
    x = 75,970,922,652.29/449,606.92
  6. Step 6: Final answer
    x = 168,971.87

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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.