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Finding the Fourth Proportional to 360,655.15, 541,031.95 and 150,243.88

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Solution

The fourth proportional to 360,655.15, 541,031.95 and 150,243.88 is: 225,386.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,655.15 : 541,031.95 = 150,243.88 : x
  2. Step 2: Convert to fraction form
    360,655.15/541,031.95 = 150,243.88/x
  3. Step 3: Cross multiply
    360,655.15x = 541,031.95 × 150,243.88
  4. Step 4: Simplify right side
    360,655.15x = 81,286,739,371.97
  5. Step 5: Solve for x
    x = 81,286,739,371.97/360,655.15
  6. Step 6: Final answer
    x = 225,386.33

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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.