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Finding the Fourth Proportional to 226,649.60, 339,974.40 and 202,155.20

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Solution

The fourth proportional to 226,649.60, 339,974.40 and 202,155.20 is: 303,232.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,649.60 : 339,974.40 = 202,155.20 : x
  2. Step 2: Convert to fraction form
    226,649.60/339,974.40 = 202,155.20/x
  3. Step 3: Cross multiply
    226,649.60x = 339,974.40 × 202,155.20
  4. Step 4: Simplify right side
    226,649.60x = 68,727,592,826.88
  5. Step 5: Solve for x
    x = 68,727,592,826.88/226,649.60
  6. Step 6: Final answer
    x = 303,232.80

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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.