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Finding the Fourth Proportional to 404,311.60, 606,467.40 and 226,943.20

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Solution

The fourth proportional to 404,311.60, 606,467.40 and 226,943.20 is: 340,414.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,311.60 : 606,467.40 = 226,943.20 : x
  2. Step 2: Convert to fraction form
    404,311.60/606,467.40 = 226,943.20/x
  3. Step 3: Cross multiply
    404,311.60x = 606,467.40 × 226,943.20
  4. Step 4: Simplify right side
    404,311.60x = 137,633,652,451.68
  5. Step 5: Solve for x
    x = 137,633,652,451.68/404,311.60
  6. Step 6: Final answer
    x = 340,414.80

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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.