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Finding the Fourth Proportional to 322,636.65, 445,235.80 and 179,395.44

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Solution

The fourth proportional to 322,636.65, 445,235.80 and 179,395.44 is: 247,564.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,636.65 : 445,235.80 = 179,395.44 : x
  2. Step 2: Convert to fraction form
    322,636.65/445,235.80 = 179,395.44/x
  3. Step 3: Cross multiply
    322,636.65x = 445,235.80 × 179,395.44
  4. Step 4: Simplify right side
    322,636.65x = 79,873,272,244.75
  5. Step 5: Solve for x
    x = 79,873,272,244.75/322,636.65
  6. Step 6: Final answer
    x = 247,564.16

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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.