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Finding the Fourth Proportional to 382, 572.75 and 162.76

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Solution

The fourth proportional to 382, 572.75 and 162.76 is: 244.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    382 : 572.75 = 162.76 : x
  2. Step 2: Convert to fraction form
    382/572.75 = 162.76/x
  3. Step 3: Cross multiply
    382x = 572.75 × 162.76
  4. Step 4: Simplify right side
    382x = 93,220.79
  5. Step 5: Solve for x
    x = 93,220.79/382
  6. Step 6: Final answer
    x = 244.03

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