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Finding the Fourth Proportional to 288,964.80, 433,447.20 and 271,468.80

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Solution

The fourth proportional to 288,964.80, 433,447.20 and 271,468.80 is: 407,203.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,964.80 : 433,447.20 = 271,468.80 : x
  2. Step 2: Convert to fraction form
    288,964.80/433,447.20 = 271,468.80/x
  3. Step 3: Cross multiply
    288,964.80x = 433,447.20 × 271,468.80
  4. Step 4: Simplify right side
    288,964.80x = 117,667,391,247.36
  5. Step 5: Solve for x
    x = 117,667,391,247.36/288,964.80
  6. Step 6: Final answer
    x = 407,203.20

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