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Finding the Fourth Proportional to 339,172.30, 508,769.28 and 170,600.56

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Solution

The fourth proportional to 339,172.30, 508,769.28 and 170,600.56 is: 255,906.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,172.30 : 508,769.28 = 170,600.56 : x
  2. Step 2: Convert to fraction form
    339,172.30/508,769.28 = 170,600.56/x
  3. Step 3: Cross multiply
    339,172.30x = 508,769.28 × 170,600.56
  4. Step 4: Simplify right side
    339,172.30x = 86,796,324,078.80
  5. Step 5: Solve for x
    x = 86,796,324,078.80/339,172.30
  6. Step 6: Final answer
    x = 255,906.29

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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.