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Finding the Fourth Proportional to 629,278.40, 943,917.60 and 186,046.40

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Solution

The fourth proportional to 629,278.40, 943,917.60 and 186,046.40 is: 279,069.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,278.40 : 943,917.60 = 186,046.40 : x
  2. Step 2: Convert to fraction form
    629,278.40/943,917.60 = 186,046.40/x
  3. Step 3: Cross multiply
    629,278.40x = 943,917.60 × 186,046.40
  4. Step 4: Simplify right side
    629,278.40x = 175,612,471,376.64
  5. Step 5: Solve for x
    x = 175,612,471,376.64/629,278.40
  6. Step 6: Final answer
    x = 279,069.60

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