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Finding the Fourth Proportional to 363,260.38, 544,934.32 and 120,109.72

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Solution

The fourth proportional to 363,260.38, 544,934.32 and 120,109.72 is: 180,179.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,260.38 : 544,934.32 = 120,109.72 : x
  2. Step 2: Convert to fraction form
    363,260.38/544,934.32 = 120,109.72/x
  3. Step 3: Cross multiply
    363,260.38x = 544,934.32 × 120,109.72
  4. Step 4: Simplify right side
    363,260.38x = 65,451,908,593.59
  5. Step 5: Solve for x
    x = 65,451,908,593.59/363,260.38
  6. Step 6: Final answer
    x = 180,179.05

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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.