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Finding the Fourth Proportional to 332,480.40, 498,720.60 and 231,003.60

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Solution

The fourth proportional to 332,480.40, 498,720.60 and 231,003.60 is: 346,505.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,480.40 : 498,720.60 = 231,003.60 : x
  2. Step 2: Convert to fraction form
    332,480.40/498,720.60 = 231,003.60/x
  3. Step 3: Cross multiply
    332,480.40x = 498,720.60 × 231,003.60
  4. Step 4: Simplify right side
    332,480.40x = 115,206,253,994.16
  5. Step 5: Solve for x
    x = 115,206,253,994.16/332,480.40
  6. Step 6: Final answer
    x = 346,505.40

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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.