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Finding the Fourth Proportional to 222,620.20, 333,711.60 and 199,000.60

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Solution

The fourth proportional to 222,620.20, 333,711.60 and 199,000.60 is: 298,305.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,620.20 : 333,711.60 = 199,000.60 : x
  2. Step 2: Convert to fraction form
    222,620.20/333,711.60 = 199,000.60/x
  3. Step 3: Cross multiply
    222,620.20x = 333,711.60 × 199,000.60
  4. Step 4: Simplify right side
    222,620.20x = 66,408,808,626.96
  5. Step 5: Solve for x
    x = 66,408,808,626.96/222,620.20
  6. Step 6: Final answer
    x = 298,305.40

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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.