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Finding the Fourth Proportional to 335,983.20, 503,391.60 and 217,593.60

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Solution

The fourth proportional to 335,983.20, 503,391.60 and 217,593.60 is: 326,012.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,983.20 : 503,391.60 = 217,593.60 : x
  2. Step 2: Convert to fraction form
    335,983.20/503,391.60 = 217,593.60/x
  3. Step 3: Cross multiply
    335,983.20x = 503,391.60 × 217,593.60
  4. Step 4: Simplify right side
    335,983.20x = 109,534,790,453.76
  5. Step 5: Solve for x
    x = 109,534,790,453.76/335,983.20
  6. Step 6: Final answer
    x = 326,012.70

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