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Finding the Fourth Proportional to 378,093, 567,226.96 and 220,454.04

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Solution

The fourth proportional to 378,093, 567,226.96 and 220,454.04 is: 330,732.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,093 : 567,226.96 = 220,454.04 : x
  2. Step 2: Convert to fraction form
    378,093/567,226.96 = 220,454.04/x
  3. Step 3: Cross multiply
    378,093x = 567,226.96 × 220,454.04
  4. Step 4: Simplify right side
    378,093x = 125,047,474,928.92
  5. Step 5: Solve for x
    x = 125,047,474,928.92/378,093
  6. Step 6: Final answer
    x = 330,732.06

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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.