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Finding the Fourth Proportional to 712.93, 1,069.47 and 226

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Solution

The fourth proportional to 712.93, 1,069.47 and 226 is: 339.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    712.93 : 1,069.47 = 226 : x
  2. Step 2: Convert to fraction form
    712.93/1,069.47 = 226/x
  3. Step 3: Cross multiply
    712.93x = 1,069.47 × 226
  4. Step 4: Simplify right side
    712.93x = 241,700.22
  5. Step 5: Solve for x
    x = 241,700.22/712.93
  6. Step 6: Final answer
    x = 339.02

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