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Finding the Fourth Proportional to 220,232.20, 330,348.30 and 195,737.80

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Solution

The fourth proportional to 220,232.20, 330,348.30 and 195,737.80 is: 293,606.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,232.20 : 330,348.30 = 195,737.80 : x
  2. Step 2: Convert to fraction form
    220,232.20/330,348.30 = 195,737.80/x
  3. Step 3: Cross multiply
    220,232.20x = 330,348.30 × 195,737.80
  4. Step 4: Simplify right side
    220,232.20x = 64,661,649,475.74
  5. Step 5: Solve for x
    x = 64,661,649,475.74/220,232.20
  6. Step 6: Final answer
    x = 293,606.70

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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.