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Finding the Fourth Proportional to 322,992.80, 445,725.72 and 179,752.81

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Solution

The fourth proportional to 322,992.80, 445,725.72 and 179,752.81 is: 248,056.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,992.80 : 445,725.72 = 179,752.81 : x
  2. Step 2: Convert to fraction form
    322,992.80/445,725.72 = 179,752.81/x
  3. Step 3: Cross multiply
    322,992.80x = 445,725.72 × 179,752.81
  4. Step 4: Simplify right side
    322,992.80x = 80,120,450,659.27
  5. Step 5: Solve for x
    x = 80,120,450,659.27/322,992.80
  6. Step 6: Final answer
    x = 248,056.46

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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.