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Finding the Fourth Proportional to 332,109.20, 498,163.80 and 132,460.40

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Solution

The fourth proportional to 332,109.20, 498,163.80 and 132,460.40 is: 198,690.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,109.20 : 498,163.80 = 132,460.40 : x
  2. Step 2: Convert to fraction form
    332,109.20/498,163.80 = 132,460.40/x
  3. Step 3: Cross multiply
    332,109.20x = 498,163.80 × 132,460.40
  4. Step 4: Simplify right side
    332,109.20x = 65,986,976,213.52
  5. Step 5: Solve for x
    x = 65,986,976,213.52/332,109.20
  6. Step 6: Final answer
    x = 198,690.60

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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.