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Finding the Fourth Proportional to 221,478.40, 332,217.60 and 182,112.40

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Solution

The fourth proportional to 221,478.40, 332,217.60 and 182,112.40 is: 273,168.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,478.40 : 332,217.60 = 182,112.40 : x
  2. Step 2: Convert to fraction form
    221,478.40/332,217.60 = 182,112.40/x
  3. Step 3: Cross multiply
    221,478.40x = 332,217.60 × 182,112.40
  4. Step 4: Simplify right side
    221,478.40x = 60,500,944,458.24
  5. Step 5: Solve for x
    x = 60,500,944,458.24/221,478.40
  6. Step 6: Final answer
    x = 273,168.60

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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.