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Finding the Fourth Proportional to 222,766.60, 334,149.90 and 198,272.20

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Solution

The fourth proportional to 222,766.60, 334,149.90 and 198,272.20 is: 297,408.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,766.60 : 334,149.90 = 198,272.20 : x
  2. Step 2: Convert to fraction form
    222,766.60/334,149.90 = 198,272.20/x
  3. Step 3: Cross multiply
    222,766.60x = 334,149.90 × 198,272.20
  4. Step 4: Simplify right side
    222,766.60x = 66,252,635,802.78
  5. Step 5: Solve for x
    x = 66,252,635,802.78/222,766.60
  6. Step 6: Final answer
    x = 297,408.30

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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.