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Finding the Fourth Proportional to 271,363.92, 405,069.33 and 251,352.78

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Solution

The fourth proportional to 271,363.92, 405,069.33 and 251,352.78 is: 375,198.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,363.92 : 405,069.33 = 251,352.78 : x
  2. Step 2: Convert to fraction form
    271,363.92/405,069.33 = 251,352.78/x
  3. Step 3: Cross multiply
    271,363.92x = 405,069.33 × 251,352.78
  4. Step 4: Simplify right side
    271,363.92x = 101,815,302,188.24
  5. Step 5: Solve for x
    x = 101,815,302,188.24/271,363.92
  6. Step 6: Final answer
    x = 375,198.38

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.