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Finding the Fourth Proportional to 322,734.68, 445,389.62 and 179,491.65

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Solution

The fourth proportional to 322,734.68, 445,389.62 and 179,491.65 is: 247,707.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,734.68 : 445,389.62 = 179,491.65 : x
  2. Step 2: Convert to fraction form
    322,734.68/445,389.62 = 179,491.65/x
  3. Step 3: Cross multiply
    322,734.68x = 445,389.62 × 179,491.65
  4. Step 4: Simplify right side
    322,734.68x = 79,943,717,786.67
  5. Step 5: Solve for x
    x = 79,943,717,786.67/322,734.68
  6. Step 6: Final answer
    x = 247,707.24

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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.