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Finding the Fourth Proportional to 366,405.12, 505,605.24 and 205,266.96

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Solution

The fourth proportional to 366,405.12, 505,605.24 and 205,266.96 is: 283,249.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,405.12 : 505,605.24 = 205,266.96 : x
  2. Step 2: Convert to fraction form
    366,405.12/505,605.24 = 205,266.96/x
  3. Step 3: Cross multiply
    366,405.12x = 505,605.24 × 205,266.96
  4. Step 4: Simplify right side
    366,405.12x = 103,784,050,574.87
  5. Step 5: Solve for x
    x = 103,784,050,574.87/366,405.12
  6. Step 6: Final answer
    x = 283,249.46

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