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Finding the Fourth Proportional to 632,198.80, 948,298.20 and 332,563.60

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Solution

The fourth proportional to 632,198.80, 948,298.20 and 332,563.60 is: 498,845.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,198.80 : 948,298.20 = 332,563.60 : x
  2. Step 2: Convert to fraction form
    632,198.80/948,298.20 = 332,563.60/x
  3. Step 3: Cross multiply
    632,198.80x = 948,298.20 × 332,563.60
  4. Step 4: Simplify right side
    632,198.80x = 315,369,463,265.52
  5. Step 5: Solve for x
    x = 315,369,463,265.52/632,198.80
  6. Step 6: Final answer
    x = 498,845.40

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Double scale
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Similar ratio
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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.