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Finding the Fourth Proportional to 322,924.58, 445,653.42 and 179,687.72

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Solution

The fourth proportional to 322,924.58, 445,653.42 and 179,687.72 is: 247,978.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,924.58 : 445,653.42 = 179,687.72 : x
  2. Step 2: Convert to fraction form
    322,924.58/445,653.42 = 179,687.72/x
  3. Step 3: Cross multiply
    322,924.58x = 445,653.42 × 179,687.72
  4. Step 4: Simplify right side
    322,924.58x = 80,078,446,950.00
  5. Step 5: Solve for x
    x = 80,078,446,950.00/322,924.58
  6. Step 6: Final answer
    x = 247,978.79

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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.