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Finding the Fourth Proportional to 220,882.60, 330,546.30 and 202,220.20

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Solution

The fourth proportional to 220,882.60, 330,546.30 and 202,220.20 is: 302,618.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,882.60 : 330,546.30 = 202,220.20 : x
  2. Step 2: Convert to fraction form
    220,882.60/330,546.30 = 202,220.20/x
  3. Step 3: Cross multiply
    220,882.60x = 330,546.30 × 202,220.20
  4. Step 4: Simplify right side
    220,882.60x = 66,843,138,895.26
  5. Step 5: Solve for x
    x = 66,843,138,895.26/220,882.60
  6. Step 6: Final answer
    x = 302,618.40

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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.