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Finding the Fourth Proportional to 226,427.60, 338,766.60 and 147,695.60

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Solution

The fourth proportional to 226,427.60, 338,766.60 and 147,695.60 is: 220,972.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,427.60 : 338,766.60 = 147,695.60 : x
  2. Step 2: Convert to fraction form
    226,427.60/338,766.60 = 147,695.60/x
  3. Step 3: Cross multiply
    226,427.60x = 338,766.60 × 147,695.60
  4. Step 4: Simplify right side
    226,427.60x = 50,034,336,246.96
  5. Step 5: Solve for x
    x = 50,034,336,246.96/226,427.60
  6. Step 6: Final answer
    x = 220,972.78

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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.