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Finding the Fourth Proportional to 323,164.20, 484,318.60 and 247,997.10

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Solution

The fourth proportional to 323,164.20, 484,318.60 and 247,997.10 is: 371,667.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,164.20 : 484,318.60 = 247,997.10 : x
  2. Step 2: Convert to fraction form
    323,164.20/484,318.60 = 247,997.10/x
  3. Step 3: Cross multiply
    323,164.20x = 484,318.60 × 247,997.10
  4. Step 4: Simplify right side
    323,164.20x = 120,109,608,276.06
  5. Step 5: Solve for x
    x = 120,109,608,276.06/323,164.20
  6. Step 6: Final answer
    x = 371,667.43

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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.