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Finding the Fourth Proportional to 226,648.60, 339,972.90 and 202,154.20

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Solution

The fourth proportional to 226,648.60, 339,972.90 and 202,154.20 is: 303,231.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,648.60 : 339,972.90 = 202,154.20 : x
  2. Step 2: Convert to fraction form
    226,648.60/339,972.90 = 202,154.20/x
  3. Step 3: Cross multiply
    226,648.60x = 339,972.90 × 202,154.20
  4. Step 4: Simplify right side
    226,648.60x = 68,726,949,621.18
  5. Step 5: Solve for x
    x = 68,726,949,621.18/226,648.60
  6. Step 6: Final answer
    x = 303,231.30

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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.