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Finding the Fourth Proportional to 297,974.60, 446,961.90 and 231,619.40

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Solution

The fourth proportional to 297,974.60, 446,961.90 and 231,619.40 is: 347,429.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,974.60 : 446,961.90 = 231,619.40 : x
  2. Step 2: Convert to fraction form
    297,974.60/446,961.90 = 231,619.40/x
  3. Step 3: Cross multiply
    297,974.60x = 446,961.90 × 231,619.40
  4. Step 4: Simplify right side
    297,974.60x = 103,525,047,100.86
  5. Step 5: Solve for x
    x = 103,525,047,100.86/297,974.60
  6. Step 6: Final answer
    x = 347,429.10

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