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Finding the Fourth Proportional to 222,562.20, 333,843.30 and 220,229.40

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Solution

The fourth proportional to 222,562.20, 333,843.30 and 220,229.40 is: 330,344.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,562.20 : 333,843.30 = 220,229.40 : x
  2. Step 2: Convert to fraction form
    222,562.20/333,843.30 = 220,229.40/x
  3. Step 3: Cross multiply
    222,562.20x = 333,843.30 × 220,229.40
  4. Step 4: Simplify right side
    222,562.20x = 73,522,109,653.02
  5. Step 5: Solve for x
    x = 73,522,109,653.02/222,562.20
  6. Step 6: Final answer
    x = 330,344.10

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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.