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Finding the Fourth Proportional to 357,395.85, 534,753.83 and 212,772.68

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Solution

The fourth proportional to 357,395.85, 534,753.83 and 212,772.68 is: 318,361.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,395.85 : 534,753.83 = 212,772.68 : x
  2. Step 2: Convert to fraction form
    357,395.85/534,753.83 = 212,772.68/x
  3. Step 3: Cross multiply
    357,395.85x = 534,753.83 × 212,772.68
  4. Step 4: Simplify right side
    357,395.85x = 113,781,005,549.36
  5. Step 5: Solve for x
    x = 113,781,005,549.36/357,395.85
  6. Step 6: Final answer
    x = 318,361.29

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