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Finding the Fourth Proportional to 469.72, 704.46 and 181

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Solution

The fourth proportional to 469.72, 704.46 and 181 is: 271.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    469.72 : 704.46 = 181 : x
  2. Step 2: Convert to fraction form
    469.72/704.46 = 181/x
  3. Step 3: Cross multiply
    469.72x = 704.46 × 181
  4. Step 4: Simplify right side
    469.72x = 127,507.26
  5. Step 5: Solve for x
    x = 127,507.26/469.72
  6. Step 6: Final answer
    x = 271.45

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