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Finding the Fourth Proportional to 3,670,128.98, 5,505,193.46 and 3,670,128.98

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Solution

The fourth proportional to 3,670,128.98, 5,505,193.46 and 3,670,128.98 is: 5,505,193.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,670,128.98 : 5,505,193.46 = 3,670,128.98 : x
  2. Step 2: Convert to fraction form
    3,670,128.98/5,505,193.46 = 3,670,128.98/x
  3. Step 3: Cross multiply
    3,670,128.98x = 5,505,193.46 × 3,670,128.98
  4. Step 4: Simplify right side
    3,670,128.98x = 20,204,770,058,052.47
  5. Step 5: Solve for x
    x = 20,204,770,058,052.47/3,670,128.98
  6. Step 6: Final answer
    x = 5,505,193.46

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