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Finding the Fourth Proportional to 304,042.36, 419,579.02 and 169,906.36

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Solution

The fourth proportional to 304,042.36, 419,579.02 and 169,906.36 is: 234,471.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,042.36 : 419,579.02 = 169,906.36 : x
  2. Step 2: Convert to fraction form
    304,042.36/419,579.02 = 169,906.36/x
  3. Step 3: Cross multiply
    304,042.36x = 419,579.02 × 169,906.36
  4. Step 4: Simplify right side
    304,042.36x = 71,289,144,020.57
  5. Step 5: Solve for x
    x = 71,289,144,020.57/304,042.36
  6. Step 6: Final answer
    x = 234,471.09

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.