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Finding the Fourth Proportional to 322,455, 444,984.69 and 179,211.96

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Solution

The fourth proportional to 322,455, 444,984.69 and 179,211.96 is: 247,310.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,455 : 444,984.69 = 179,211.96 : x
  2. Step 2: Convert to fraction form
    322,455/444,984.69 = 179,211.96/x
  3. Step 3: Cross multiply
    322,455x = 444,984.69 × 179,211.96
  4. Step 4: Simplify right side
    322,455x = 79,746,578,464.89
  5. Step 5: Solve for x
    x = 79,746,578,464.89/322,455
  6. Step 6: Final answer
    x = 247,310.72

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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.