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Finding the Fourth Proportional to 221,650.80, 332,476.20 and 200,223.60

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Solution

The fourth proportional to 221,650.80, 332,476.20 and 200,223.60 is: 300,335.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,650.80 : 332,476.20 = 200,223.60 : x
  2. Step 2: Convert to fraction form
    221,650.80/332,476.20 = 200,223.60/x
  3. Step 3: Cross multiply
    221,650.80x = 332,476.20 × 200,223.60
  4. Step 4: Simplify right side
    221,650.80x = 66,569,581,678.32
  5. Step 5: Solve for x
    x = 66,569,581,678.32/221,650.80
  6. Step 6: Final answer
    x = 300,335.40

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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.