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Finding the Fourth Proportional to 323,571, 485,452.26 and 165,910.08

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Solution

The fourth proportional to 323,571, 485,452.26 and 165,910.08 is: 248,914.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,571 : 485,452.26 = 165,910.08 : x
  2. Step 2: Convert to fraction form
    323,571/485,452.26 = 165,910.08/x
  3. Step 3: Cross multiply
    323,571x = 485,452.26 × 165,910.08
  4. Step 4: Simplify right side
    323,571x = 80,541,423,292.78
  5. Step 5: Solve for x
    x = 80,541,423,292.78/323,571
  6. Step 6: Final answer
    x = 248,914.22

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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.