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Finding the Fourth Proportional to 363,560.40, 544,249.53 and 220,965.57

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Solution

The fourth proportional to 363,560.40, 544,249.53 and 220,965.57 is: 330,785.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,560.40 : 544,249.53 = 220,965.57 : x
  2. Step 2: Convert to fraction form
    363,560.40/544,249.53 = 220,965.57/x
  3. Step 3: Cross multiply
    363,560.40x = 544,249.53 × 220,965.57
  4. Step 4: Simplify right side
    363,560.40x = 120,260,407,618.68
  5. Step 5: Solve for x
    x = 120,260,407,618.68/363,560.40
  6. Step 6: Final answer
    x = 330,785.22

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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.