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Finding the Fourth Proportional to 322,662.71, 483,557.97 and 122,874.11

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Solution

The fourth proportional to 322,662.71, 483,557.97 and 122,874.11 is: 184,145.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,662.71 : 483,557.97 = 122,874.11 : x
  2. Step 2: Convert to fraction form
    322,662.71/483,557.97 = 122,874.11/x
  3. Step 3: Cross multiply
    322,662.71x = 483,557.97 × 122,874.11
  4. Step 4: Simplify right side
    322,662.71x = 59,416,753,659.16
  5. Step 5: Solve for x
    x = 59,416,753,659.16/322,662.71
  6. Step 6: Final answer
    x = 184,145.09

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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.