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Finding the Fourth Proportional to 322,659, 483,989.04 and 125,667

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Solution

The fourth proportional to 322,659, 483,989.04 and 125,667 is: 188,500.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,659 : 483,989.04 = 125,667 : x
  2. Step 2: Convert to fraction form
    322,659/483,989.04 = 125,667/x
  3. Step 3: Cross multiply
    322,659x = 483,989.04 × 125,667
  4. Step 4: Simplify right side
    322,659x = 60,821,450,689.68
  5. Step 5: Solve for x
    x = 60,821,450,689.68/322,659
  6. Step 6: Final answer
    x = 188,500.71

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.