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Finding the Fourth Proportional to 767,955.80, 1,150,464.90 and 412,851.80

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Solution

The fourth proportional to 767,955.80, 1,150,464.90 and 412,851.80 is: 618,488.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,955.80 : 1,150,464.90 = 412,851.80 : x
  2. Step 2: Convert to fraction form
    767,955.80/1,150,464.90 = 412,851.80/x
  3. Step 3: Cross multiply
    767,955.80x = 1,150,464.90 × 412,851.80
  4. Step 4: Simplify right side
    767,955.80x = 474,971,504,801.82
  5. Step 5: Solve for x
    x = 474,971,504,801.82/767,955.80
  6. Step 6: Final answer
    x = 618,488.08

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