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Finding the Fourth Proportional to 300,963.60, 451,380.60 and 132,483.60

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Solution

The fourth proportional to 300,963.60, 451,380.60 and 132,483.60 is: 198,696.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,963.60 : 451,380.60 = 132,483.60 : x
  2. Step 2: Convert to fraction form
    300,963.60/451,380.60 = 132,483.60/x
  3. Step 3: Cross multiply
    300,963.60x = 451,380.60 × 132,483.60
  4. Step 4: Simplify right side
    300,963.60x = 59,800,526,858.16
  5. Step 5: Solve for x
    x = 59,800,526,858.16/300,963.60
  6. Step 6: Final answer
    x = 198,696.88

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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.