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Finding the Fourth Proportional to 312,469,829.80, 468,226,447.80 and 295,251,141.40

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Solution

The fourth proportional to 312,469,829.80, 468,226,447.80 and 295,251,141.40 is: 442,424,771.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,469,829.80 : 468,226,447.80 = 295,251,141.40 : x
  2. Step 2: Convert to fraction form
    312,469,829.80/468,226,447.80 = 295,251,141.40/x
  3. Step 3: Cross multiply
    312,469,829.80x = 468,226,447.80 × 295,251,141.40
  4. Step 4: Simplify right side
    312,469,829.80x = 138,244,393,146,617,504
  5. Step 5: Solve for x
    x = 138,244,393,146,617,504/312,469,829.80
  6. Step 6: Final answer
    x = 442,424,771.81

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