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Finding the Fourth Proportional to 659.22, 989.16 and 294.27

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Solution

The fourth proportional to 659.22, 989.16 and 294.27 is: 441.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    659.22 : 989.16 = 294.27 : x
  2. Step 2: Convert to fraction form
    659.22/989.16 = 294.27/x
  3. Step 3: Cross multiply
    659.22x = 989.16 × 294.27
  4. Step 4: Simplify right side
    659.22x = 291,080.11
  5. Step 5: Solve for x
    x = 291,080.11/659.22
  6. Step 6: Final answer
    x = 441.55

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