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Finding the Fourth Proportional to 397,383.44, 548,403.55 and 227,650.37

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Solution

The fourth proportional to 397,383.44, 548,403.55 and 227,650.37 is: 314,165.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,383.44 : 548,403.55 = 227,650.37 : x
  2. Step 2: Convert to fraction form
    397,383.44/548,403.55 = 227,650.37/x
  3. Step 3: Cross multiply
    397,383.44x = 548,403.55 × 227,650.37
  4. Step 4: Simplify right side
    397,383.44x = 124,844,271,868.70
  5. Step 5: Solve for x
    x = 124,844,271,868.70/397,383.44
  6. Step 6: Final answer
    x = 314,165.76

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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.