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Finding the Fourth Proportional to 384,840.36, 577,413.74 and 148,119.48

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Solution

The fourth proportional to 384,840.36, 577,413.74 and 148,119.48 is: 222,238.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,840.36 : 577,413.74 = 148,119.48 : x
  2. Step 2: Convert to fraction form
    384,840.36/577,413.74 = 148,119.48/x
  3. Step 3: Cross multiply
    384,840.36x = 577,413.74 × 148,119.48
  4. Step 4: Simplify right side
    384,840.36x = 85,526,222,913.66
  5. Step 5: Solve for x
    x = 85,526,222,913.66/384,840.36
  6. Step 6: Final answer
    x = 222,238.18

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