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Finding the Fourth Proportional to 332,786.88, 498,820.32 and 132,887.52

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Solution

The fourth proportional to 332,786.88, 498,820.32 and 132,887.52 is: 199,187.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,786.88 : 498,820.32 = 132,887.52 : x
  2. Step 2: Convert to fraction form
    332,786.88/498,820.32 = 132,887.52/x
  3. Step 3: Cross multiply
    332,786.88x = 498,820.32 × 132,887.52
  4. Step 4: Simplify right side
    332,786.88x = 66,286,995,250.41
  5. Step 5: Solve for x
    x = 66,286,995,250.41/332,786.88
  6. Step 6: Final answer
    x = 199,187.53

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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.