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Finding the Fourth Proportional to 388,467,072.60, 582,700,608.90 and 388,467,072.60

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Solution

The fourth proportional to 388,467,072.60, 582,700,608.90 and 388,467,072.60 is: 582,700,608.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,467,072.60 : 582,700,608.90 = 388,467,072.60 : x
  2. Step 2: Convert to fraction form
    388,467,072.60/582,700,608.90 = 388,467,072.60/x
  3. Step 3: Cross multiply
    388,467,072.60x = 582,700,608.90 × 388,467,072.60
  4. Step 4: Simplify right side
    388,467,072.60x = 226,359,999,741,620,512
  5. Step 5: Solve for x
    x = 226,359,999,741,620,512/388,467,072.60
  6. Step 6: Final answer
    x = 582,700,608.90

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