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Finding the Fourth Proportional to 322,578.48, 445,186.67 and 177,409.83

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Solution

The fourth proportional to 322,578.48, 445,186.67 and 177,409.83 is: 244,841.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,578.48 : 445,186.67 = 177,409.83 : x
  2. Step 2: Convert to fraction form
    322,578.48/445,186.67 = 177,409.83/x
  3. Step 3: Cross multiply
    322,578.48x = 445,186.67 × 177,409.83
  4. Step 4: Simplify right side
    322,578.48x = 78,980,491,442.97
  5. Step 5: Solve for x
    x = 78,980,491,442.97/322,578.48
  6. Step 6: Final answer
    x = 244,841.17

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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.