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Finding the Fourth Proportional to 322,972.94, 445,722.31 and 179,732.98

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Solution

The fourth proportional to 322,972.94, 445,722.31 and 179,732.98 is: 248,042.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,972.94 : 445,722.31 = 179,732.98 : x
  2. Step 2: Convert to fraction form
    322,972.94/445,722.31 = 179,732.98/x
  3. Step 3: Cross multiply
    322,972.94x = 445,722.31 × 179,732.98
  4. Step 4: Simplify right side
    322,972.94x = 80,110,999,305.10
  5. Step 5: Solve for x
    x = 80,110,999,305.10/322,972.94
  6. Step 6: Final answer
    x = 248,042.45

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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.