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Finding the Fourth Proportional to 263,912.67, 395,863.46 and 64,234.17

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Solution

The fourth proportional to 263,912.67, 395,863.46 and 64,234.17 is: 96,349.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,912.67 : 395,863.46 = 64,234.17 : x
  2. Step 2: Convert to fraction form
    263,912.67/395,863.46 = 64,234.17/x
  3. Step 3: Cross multiply
    263,912.67x = 395,863.46 × 64,234.17
  4. Step 4: Simplify right side
    263,912.67x = 25,427,960,465.26
  5. Step 5: Solve for x
    x = 25,427,960,465.26/263,912.67
  6. Step 6: Final answer
    x = 96,349.90

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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.