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Finding the Fourth Proportional to 322,992.93, 445,725.90 and 179,752.94

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Solution

The fourth proportional to 322,992.93, 445,725.90 and 179,752.94 is: 248,056.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,992.93 : 445,725.90 = 179,752.94 : x
  2. Step 2: Convert to fraction form
    322,992.93/445,725.90 = 179,752.94/x
  3. Step 3: Cross multiply
    322,992.93x = 445,725.90 × 179,752.94
  4. Step 4: Simplify right side
    322,992.93x = 80,120,540,401.99
  5. Step 5: Solve for x
    x = 80,120,540,401.99/322,992.93
  6. Step 6: Final answer
    x = 248,056.64

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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.