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Finding the Fourth Proportional to 416.76, 624.61 and 156.53

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Solution

The fourth proportional to 416.76, 624.61 and 156.53 is: 234.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    416.76 : 624.61 = 156.53 : x
  2. Step 2: Convert to fraction form
    416.76/624.61 = 156.53/x
  3. Step 3: Cross multiply
    416.76x = 624.61 × 156.53
  4. Step 4: Simplify right side
    416.76x = 97,766.30
  5. Step 5: Solve for x
    x = 97,766.30/416.76
  6. Step 6: Final answer
    x = 234.59

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