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Finding the Fourth Proportional to 322,647.57, 483,535.37 and 122,858.97

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Solution

The fourth proportional to 322,647.57, 483,535.37 and 122,858.97 is: 184,122.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,647.57 : 483,535.37 = 122,858.97 : x
  2. Step 2: Convert to fraction form
    322,647.57/483,535.37 = 122,858.97/x
  3. Step 3: Cross multiply
    322,647.57x = 483,535.37 × 122,858.97
  4. Step 4: Simplify right side
    322,647.57x = 59,406,656,902.47
  5. Step 5: Solve for x
    x = 59,406,656,902.47/322,647.57
  6. Step 6: Final answer
    x = 184,122.44

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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.