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Finding the Fourth Proportional to 271,812.60, 407,718.90 and 269,188.20

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Solution

The fourth proportional to 271,812.60, 407,718.90 and 269,188.20 is: 403,782.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,812.60 : 407,718.90 = 269,188.20 : x
  2. Step 2: Convert to fraction form
    271,812.60/407,718.90 = 269,188.20/x
  3. Step 3: Cross multiply
    271,812.60x = 407,718.90 × 269,188.20
  4. Step 4: Simplify right side
    271,812.60x = 109,753,116,796.98
  5. Step 5: Solve for x
    x = 109,753,116,796.98/271,812.60
  6. Step 6: Final answer
    x = 403,782.30

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