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Finding the Fourth Proportional to 404,153.81, 557,745.73 and 220,402.44

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Solution

The fourth proportional to 404,153.81, 557,745.73 and 220,402.44 is: 304,162.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,153.81 : 557,745.73 = 220,402.44 : x
  2. Step 2: Convert to fraction form
    404,153.81/557,745.73 = 220,402.44/x
  3. Step 3: Cross multiply
    404,153.81x = 557,745.73 × 220,402.44
  4. Step 4: Simplify right side
    404,153.81x = 122,928,517,846.21
  5. Step 5: Solve for x
    x = 122,928,517,846.21/404,153.81
  6. Step 6: Final answer
    x = 304,162.71

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