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Finding the Fourth Proportional to 331,910.28, 497,868.84 and 82,592.28

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Solution

The fourth proportional to 331,910.28, 497,868.84 and 82,592.28 is: 123,889.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,910.28 : 497,868.84 = 82,592.28 : x
  2. Step 2: Convert to fraction form
    331,910.28/497,868.84 = 82,592.28/x
  3. Step 3: Cross multiply
    331,910.28x = 497,868.84 × 82,592.28
  4. Step 4: Simplify right side
    331,910.28x = 41,120,122,636.56
  5. Step 5: Solve for x
    x = 41,120,122,636.56/331,910.28
  6. Step 6: Final answer
    x = 123,889.27

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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.