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Finding the Fourth Proportional to 492,099.78, 679,097.70 and 265,745.28

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Solution

The fourth proportional to 492,099.78, 679,097.70 and 265,745.28 is: 366,728.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,099.78 : 679,097.70 = 265,745.28 : x
  2. Step 2: Convert to fraction form
    492,099.78/679,097.70 = 265,745.28/x
  3. Step 3: Cross multiply
    492,099.78x = 679,097.70 × 265,745.28
  4. Step 4: Simplify right side
    492,099.78x = 180,467,008,433.86
  5. Step 5: Solve for x
    x = 180,467,008,433.86/492,099.78
  6. Step 6: Final answer
    x = 366,728.49

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