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Finding the Fourth Proportional to 400,866.36, 553,195.76 and 219,589.71

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Solution

The fourth proportional to 400,866.36, 553,195.76 and 219,589.71 is: 303,033.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,866.36 : 553,195.76 = 219,589.71 : x
  2. Step 2: Convert to fraction form
    400,866.36/553,195.76 = 219,589.71/x
  3. Step 3: Cross multiply
    400,866.36x = 553,195.76 × 219,589.71
  4. Step 4: Simplify right side
    400,866.36x = 121,476,095,413.68
  5. Step 5: Solve for x
    x = 121,476,095,413.68/400,866.36
  6. Step 6: Final answer
    x = 303,033.90

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