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Finding the Fourth Proportional to 322,554.57, 445,140.49 and 179,317

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Solution

The fourth proportional to 322,554.57, 445,140.49 and 179,317 is: 247,465.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,554.57 : 445,140.49 = 179,317 : x
  2. Step 2: Convert to fraction form
    322,554.57/445,140.49 = 179,317/x
  3. Step 3: Cross multiply
    322,554.57x = 445,140.49 × 179,317
  4. Step 4: Simplify right side
    322,554.57x = 79,821,257,245.33
  5. Step 5: Solve for x
    x = 79,821,257,245.33/322,554.57
  6. Step 6: Final answer
    x = 247,465.90

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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.