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Finding the Fourth Proportional to 322,419.92, 483,634.53 and 122,751.27

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Solution

The fourth proportional to 322,419.92, 483,634.53 and 122,751.27 is: 184,128.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,419.92 : 483,634.53 = 122,751.27 : x
  2. Step 2: Convert to fraction form
    322,419.92/483,634.53 = 122,751.27/x
  3. Step 3: Cross multiply
    322,419.92x = 483,634.53 × 122,751.27
  4. Step 4: Simplify right side
    322,419.92x = 59,366,752,773.35
  5. Step 5: Solve for x
    x = 59,366,752,773.35/322,419.92
  6. Step 6: Final answer
    x = 184,128.68

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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.