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Finding the Fourth Proportional to 274,716.20, 411,418.20 and 222,228.20

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Solution

The fourth proportional to 274,716.20, 411,418.20 and 222,228.20 is: 332,811.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,716.20 : 411,418.20 = 222,228.20 : x
  2. Step 2: Convert to fraction form
    274,716.20/411,418.20 = 222,228.20/x
  3. Step 3: Cross multiply
    274,716.20x = 411,418.20 × 222,228.20
  4. Step 4: Simplify right side
    274,716.20x = 91,428,726,033.24
  5. Step 5: Solve for x
    x = 91,428,726,033.24/274,716.20
  6. Step 6: Final answer
    x = 332,811.56

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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.