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Finding the Fourth Proportional to 529.13, 793.68 and 320.94

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Solution

The fourth proportional to 529.13, 793.68 and 320.94 is: 481.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    529.13 : 793.68 = 320.94 : x
  2. Step 2: Convert to fraction form
    529.13/793.68 = 320.94/x
  3. Step 3: Cross multiply
    529.13x = 793.68 × 320.94
  4. Step 4: Simplify right side
    529.13x = 254,723.66
  5. Step 5: Solve for x
    x = 254,723.66/529.13
  6. Step 6: Final answer
    x = 481.41

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