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Finding the Fourth Proportional to 392,523.80, 541,652.04 and 222,757.88

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Solution

The fourth proportional to 392,523.80, 541,652.04 and 222,757.88 is: 307,388.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    392,523.80 : 541,652.04 = 222,757.88 : x
  2. Step 2: Convert to fraction form
    392,523.80/541,652.04 = 222,757.88/x
  3. Step 3: Cross multiply
    392,523.80x = 541,652.04 × 222,757.88
  4. Step 4: Simplify right side
    392,523.80x = 120,657,260,128.08
  5. Step 5: Solve for x
    x = 120,657,260,128.08/392,523.80
  6. Step 6: Final answer
    x = 307,388.39

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.