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Finding the Fourth Proportional to 322,894.67, 484,342.41 and 154,375.39

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Solution

The fourth proportional to 322,894.67, 484,342.41 and 154,375.39 is: 231,563.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,894.67 : 484,342.41 = 154,375.39 : x
  2. Step 2: Convert to fraction form
    322,894.67/484,342.41 = 154,375.39/x
  3. Step 3: Cross multiply
    322,894.67x = 484,342.41 × 154,375.39
  4. Step 4: Simplify right side
    322,894.67x = 74,770,546,015.58
  5. Step 5: Solve for x
    x = 74,770,546,015.58/322,894.67
  6. Step 6: Final answer
    x = 231,563.27

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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.