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Finding the Fourth Proportional to 363,259.38, 544,932.82 and 120,108.72

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Solution

The fourth proportional to 363,259.38, 544,932.82 and 120,108.72 is: 180,177.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,259.38 : 544,932.82 = 120,108.72 : x
  2. Step 2: Convert to fraction form
    363,259.38/544,932.82 = 120,108.72/x
  3. Step 3: Cross multiply
    363,259.38x = 544,932.82 × 120,108.72
  4. Step 4: Simplify right side
    363,259.38x = 65,451,185,014.21
  5. Step 5: Solve for x
    x = 65,451,185,014.21/363,259.38
  6. Step 6: Final answer
    x = 180,177.55

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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.