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Finding the Fourth Proportional to 482.70, 724.16 and 158.06

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Solution

The fourth proportional to 482.70, 724.16 and 158.06 is: 237.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    482.70 : 724.16 = 158.06 : x
  2. Step 2: Convert to fraction form
    482.70/724.16 = 158.06/x
  3. Step 3: Cross multiply
    482.70x = 724.16 × 158.06
  4. Step 4: Simplify right side
    482.70x = 114,462.94
  5. Step 5: Solve for x
    x = 114,462.94/482.70
  6. Step 6: Final answer
    x = 237.13

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