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Finding the Fourth Proportional to 332,189.60, 498,138.60 and 132,443.60

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Solution

The fourth proportional to 332,189.60, 498,138.60 and 132,443.60 is: 198,607.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,189.60 : 498,138.60 = 132,443.60 : x
  2. Step 2: Convert to fraction form
    332,189.60/498,138.60 = 132,443.60/x
  3. Step 3: Cross multiply
    332,189.60x = 498,138.60 × 132,443.60
  4. Step 4: Simplify right side
    332,189.60x = 65,975,269,482.96
  5. Step 5: Solve for x
    x = 65,975,269,482.96/332,189.60
  6. Step 6: Final answer
    x = 198,607.27

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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.