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Finding the Fourth Proportional to 363,081.60, 543,326.40 and 230,025.60

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Solution

The fourth proportional to 363,081.60, 543,326.40 and 230,025.60 is: 344,217.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,081.60 : 543,326.40 = 230,025.60 : x
  2. Step 2: Convert to fraction form
    363,081.60/543,326.40 = 230,025.60/x
  3. Step 3: Cross multiply
    363,081.60x = 543,326.40 × 230,025.60
  4. Step 4: Simplify right side
    363,081.60x = 124,978,981,155.84
  5. Step 5: Solve for x
    x = 124,978,981,155.84/363,081.60
  6. Step 6: Final answer
    x = 344,217.34

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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.