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Finding the Fourth Proportional to 339,482.11, 509,219.93 and 206,399.11

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Solution

The fourth proportional to 339,482.11, 509,219.93 and 206,399.11 is: 309,596.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,482.11 : 509,219.93 = 206,399.11 : x
  2. Step 2: Convert to fraction form
    339,482.11/509,219.93 = 206,399.11/x
  3. Step 3: Cross multiply
    339,482.11x = 509,219.93 × 206,399.11
  4. Step 4: Simplify right side
    339,482.11x = 105,102,539,314.27
  5. Step 5: Solve for x
    x = 105,102,539,314.27/339,482.11
  6. Step 6: Final answer
    x = 309,596.70

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