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Finding the Fourth Proportional to 332,287.67, 498,407.32 and 129,845.86

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Solution

The fourth proportional to 332,287.67, 498,407.32 and 129,845.86 is: 194,759.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,287.67 : 498,407.32 = 129,845.86 : x
  2. Step 2: Convert to fraction form
    332,287.67/498,407.32 = 129,845.86/x
  3. Step 3: Cross multiply
    332,287.67x = 498,407.32 × 129,845.86
  4. Step 4: Simplify right side
    332,287.67x = 64,716,125,525.06
  5. Step 5: Solve for x
    x = 64,716,125,525.06/332,287.67
  6. Step 6: Final answer
    x = 194,759.33

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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.