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Finding the Fourth Proportional to 274,212.73, 411,152.97 and 179,328.38

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Solution

The fourth proportional to 274,212.73, 411,152.97 and 179,328.38 is: 268,883.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,212.73 : 411,152.97 = 179,328.38 : x
  2. Step 2: Convert to fraction form
    274,212.73/411,152.97 = 179,328.38/x
  3. Step 3: Cross multiply
    274,212.73x = 411,152.97 × 179,328.38
  4. Step 4: Simplify right side
    274,212.73x = 73,731,396,042.29
  5. Step 5: Solve for x
    x = 73,731,396,042.29/274,212.73
  6. Step 6: Final answer
    x = 268,883.93

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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.