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Finding the Fourth Proportional to 361,263.60, 541,312.20 and 227,905.20

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Solution

The fourth proportional to 361,263.60, 541,312.20 and 227,905.20 is: 341,489.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,263.60 : 541,312.20 = 227,905.20 : x
  2. Step 2: Convert to fraction form
    361,263.60/541,312.20 = 227,905.20/x
  3. Step 3: Cross multiply
    361,263.60x = 541,312.20 × 227,905.20
  4. Step 4: Simplify right side
    361,263.60x = 123,367,865,203.44
  5. Step 5: Solve for x
    x = 123,367,865,203.44/361,263.60
  6. Step 6: Final answer
    x = 341,489.88

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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.