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Finding the Fourth Proportional to 325,280.95, 487,921.19 and 135,830.52

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Solution

The fourth proportional to 325,280.95, 487,921.19 and 135,830.52 is: 203,745.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,280.95 : 487,921.19 = 135,830.52 : x
  2. Step 2: Convert to fraction form
    325,280.95/487,921.19 = 135,830.52/x
  3. Step 3: Cross multiply
    325,280.95x = 487,921.19 × 135,830.52
  4. Step 4: Simplify right side
    325,280.95x = 66,274,588,277.57
  5. Step 5: Solve for x
    x = 66,274,588,277.57/325,280.95
  6. Step 6: Final answer
    x = 203,745.68

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