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Finding the Fourth Proportional to 263,911.92, 395,862.33 and 64,233.42

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Solution

The fourth proportional to 263,911.92, 395,862.33 and 64,233.42 is: 96,348.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,911.92 : 395,862.33 = 64,233.42 : x
  2. Step 2: Convert to fraction form
    263,911.92/395,862.33 = 64,233.42/x
  3. Step 3: Cross multiply
    263,911.92x = 395,862.33 × 64,233.42
  4. Step 4: Simplify right side
    263,911.92x = 25,427,590,061.46
  5. Step 5: Solve for x
    x = 25,427,590,061.46/263,911.92
  6. Step 6: Final answer
    x = 96,348.78

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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.