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Finding the Fourth Proportional to 528.76, 793.18 and 144

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Solution

The fourth proportional to 528.76, 793.18 and 144 is: 216.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    528.76 : 793.18 = 144 : x
  2. Step 2: Convert to fraction form
    528.76/793.18 = 144/x
  3. Step 3: Cross multiply
    528.76x = 793.18 × 144
  4. Step 4: Simplify right side
    528.76x = 114,217.92
  5. Step 5: Solve for x
    x = 114,217.92/528.76
  6. Step 6: Final answer
    x = 216.01

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