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Finding the Fourth Proportional to 404,471.73, 558,170.34 and 223,183.52

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Solution

The fourth proportional to 404,471.73, 558,170.34 and 223,183.52 is: 307,992.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,471.73 : 558,170.34 = 223,183.52 : x
  2. Step 2: Convert to fraction form
    404,471.73/558,170.34 = 223,183.52/x
  3. Step 3: Cross multiply
    404,471.73x = 558,170.34 × 223,183.52
  4. Step 4: Simplify right side
    404,471.73x = 124,574,419,706.15
  5. Step 5: Solve for x
    x = 124,574,419,706.15/404,471.73
  6. Step 6: Final answer
    x = 307,992.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.