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Finding the Fourth Proportional to 273,743.20, 410,845.20 and 133,621.60

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Solution

The fourth proportional to 273,743.20, 410,845.20 and 133,621.60 is: 200,544.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,743.20 : 410,845.20 = 133,621.60 : x
  2. Step 2: Convert to fraction form
    273,743.20/410,845.20 = 133,621.60/x
  3. Step 3: Cross multiply
    273,743.20x = 410,845.20 × 133,621.60
  4. Step 4: Simplify right side
    273,743.20x = 54,897,792,976.32
  5. Step 5: Solve for x
    x = 54,897,792,976.32/273,743.20
  6. Step 6: Final answer
    x = 200,544.86

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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.