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Finding the Fourth Proportional to 227,474.28, 340,511.58 and 148,418.28

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Solution

The fourth proportional to 227,474.28, 340,511.58 and 148,418.28 is: 222,170.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,474.28 : 340,511.58 = 148,418.28 : x
  2. Step 2: Convert to fraction form
    227,474.28/340,511.58 = 148,418.28/x
  3. Step 3: Cross multiply
    227,474.28x = 340,511.58 × 148,418.28
  4. Step 4: Simplify right side
    227,474.28x = 50,538,143,023.68
  5. Step 5: Solve for x
    x = 50,538,143,023.68/227,474.28
  6. Step 6: Final answer
    x = 222,170.80

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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.