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Finding the Fourth Proportional to 465,099.08, 641,759.44 and 274,086.48

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Solution

The fourth proportional to 465,099.08, 641,759.44 and 274,086.48 is: 378,193.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,099.08 : 641,759.44 = 274,086.48 : x
  2. Step 2: Convert to fraction form
    465,099.08/641,759.44 = 274,086.48/x
  3. Step 3: Cross multiply
    465,099.08x = 641,759.44 × 274,086.48
  4. Step 4: Simplify right side
    465,099.08x = 175,897,585,916.37
  5. Step 5: Solve for x
    x = 175,897,585,916.37/465,099.08
  6. Step 6: Final answer
    x = 378,193.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.