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Finding the Fourth Proportional to 332,134.20, 498,201.30 and 191,728.80

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Solution

The fourth proportional to 332,134.20, 498,201.30 and 191,728.80 is: 287,593.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,134.20 : 498,201.30 = 191,728.80 : x
  2. Step 2: Convert to fraction form
    332,134.20/498,201.30 = 191,728.80/x
  3. Step 3: Cross multiply
    332,134.20x = 498,201.30 × 191,728.80
  4. Step 4: Simplify right side
    332,134.20x = 95,519,537,407.44
  5. Step 5: Solve for x
    x = 95,519,537,407.44/332,134.20
  6. Step 6: Final answer
    x = 287,593.20

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1.5x scale

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.