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Finding the Fourth Proportional to 322,873, 445,568.82 and 177,695.49

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Solution

The fourth proportional to 322,873, 445,568.82 and 177,695.49 is: 245,222.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,873 : 445,568.82 = 177,695.49 : x
  2. Step 2: Convert to fraction form
    322,873/445,568.82 = 177,695.49/x
  3. Step 3: Cross multiply
    322,873x = 445,568.82 × 177,695.49
  4. Step 4: Simplify right side
    322,873x = 79,175,569,798.62
  5. Step 5: Solve for x
    x = 79,175,569,798.62/322,873
  6. Step 6: Final answer
    x = 245,222.02

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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.