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Finding the Fourth Proportional to 336,883.20, 505,324.80 and 196,569.60

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Solution

The fourth proportional to 336,883.20, 505,324.80 and 196,569.60 is: 294,854.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,883.20 : 505,324.80 = 196,569.60 : x
  2. Step 2: Convert to fraction form
    336,883.20/505,324.80 = 196,569.60/x
  3. Step 3: Cross multiply
    336,883.20x = 505,324.80 × 196,569.60
  4. Step 4: Simplify right side
    336,883.20x = 99,331,493,806.08
  5. Step 5: Solve for x
    x = 99,331,493,806.08/336,883.20
  6. Step 6: Final answer
    x = 294,854.40

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