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Finding the Fourth Proportional to 322,696.23, 484,105.91 and 122,999.91

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Solution

The fourth proportional to 322,696.23, 484,105.91 and 122,999.91 is: 184,523.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,696.23 : 484,105.91 = 122,999.91 : x
  2. Step 2: Convert to fraction form
    322,696.23/484,105.91 = 122,999.91/x
  3. Step 3: Cross multiply
    322,696.23x = 484,105.91 × 122,999.91
  4. Step 4: Simplify right side
    322,696.23x = 59,544,982,745.47
  5. Step 5: Solve for x
    x = 59,544,982,745.47/322,696.23
  6. Step 6: Final answer
    x = 184,523.33

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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.