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Finding the Fourth Proportional to 384.58, 576.42 and 167.92

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Solution

The fourth proportional to 384.58, 576.42 and 167.92 is: 251.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    384.58 : 576.42 = 167.92 : x
  2. Step 2: Convert to fraction form
    384.58/576.42 = 167.92/x
  3. Step 3: Cross multiply
    384.58x = 576.42 × 167.92
  4. Step 4: Simplify right side
    384.58x = 96,792.45
  5. Step 5: Solve for x
    x = 96,792.45/384.58
  6. Step 6: Final answer
    x = 251.68

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