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Finding the Fourth Proportional to 273,727.20, 410,821.20 and 133,605.60

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Solution

The fourth proportional to 273,727.20, 410,821.20 and 133,605.60 is: 200,520.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,727.20 : 410,821.20 = 133,605.60 : x
  2. Step 2: Convert to fraction form
    273,727.20/410,821.20 = 133,605.60/x
  3. Step 3: Cross multiply
    273,727.20x = 410,821.20 × 133,605.60
  4. Step 4: Simplify right side
    273,727.20x = 54,888,012,918.72
  5. Step 5: Solve for x
    x = 54,888,012,918.72/273,727.20
  6. Step 6: Final answer
    x = 200,520.86

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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.