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Finding the Fourth Proportional to 221,441.60, 332,162.40 and 200,446.40

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Solution

The fourth proportional to 221,441.60, 332,162.40 and 200,446.40 is: 300,669.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,441.60 : 332,162.40 = 200,446.40 : x
  2. Step 2: Convert to fraction form
    221,441.60/332,162.40 = 200,446.40/x
  3. Step 3: Cross multiply
    221,441.60x = 332,162.40 × 200,446.40
  4. Step 4: Simplify right side
    221,441.60x = 66,580,757,295.36
  5. Step 5: Solve for x
    x = 66,580,757,295.36/221,441.60
  6. Step 6: Final answer
    x = 300,669.60

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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.