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Finding the Fourth Proportional to 547.63, 821.59 and 162.88

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Solution

The fourth proportional to 547.63, 821.59 and 162.88 is: 244.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    547.63 : 821.59 = 162.88 : x
  2. Step 2: Convert to fraction form
    547.63/821.59 = 162.88/x
  3. Step 3: Cross multiply
    547.63x = 821.59 × 162.88
  4. Step 4: Simplify right side
    547.63x = 133,820.58
  5. Step 5: Solve for x
    x = 133,820.58/547.63
  6. Step 6: Final answer
    x = 244.36

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