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Finding the Fourth Proportional to 332,276.40, 498,414.60 and 243,046.80

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Solution

The fourth proportional to 332,276.40, 498,414.60 and 243,046.80 is: 364,570.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,276.40 : 498,414.60 = 243,046.80 : x
  2. Step 2: Convert to fraction form
    332,276.40/498,414.60 = 243,046.80/x
  3. Step 3: Cross multiply
    332,276.40x = 498,414.60 × 243,046.80
  4. Step 4: Simplify right side
    332,276.40x = 121,138,073,603.28
  5. Step 5: Solve for x
    x = 121,138,073,603.28/332,276.40
  6. Step 6: Final answer
    x = 364,570.20

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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.