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Finding the Fourth Proportional to 361,371.88, 541,959.90 and 150,965.80

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Solution

The fourth proportional to 361,371.88, 541,959.90 and 150,965.80 is: 226,407.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,371.88 : 541,959.90 = 150,965.80 : x
  2. Step 2: Convert to fraction form
    361,371.88/541,959.90 = 150,965.80/x
  3. Step 3: Cross multiply
    361,371.88x = 541,959.90 × 150,965.80
  4. Step 4: Simplify right side
    361,371.88x = 81,817,409,871.42
  5. Step 5: Solve for x
    x = 81,817,409,871.42/361,371.88
  6. Step 6: Final answer
    x = 226,407.79

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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.