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Finding the Fourth Proportional to 529.62, 794.43 and 144.90

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Solution

The fourth proportional to 529.62, 794.43 and 144.90 is: 217.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    529.62 : 794.43 = 144.90 : x
  2. Step 2: Convert to fraction form
    529.62/794.43 = 144.90/x
  3. Step 3: Cross multiply
    529.62x = 794.43 × 144.90
  4. Step 4: Simplify right side
    529.62x = 115,112.91
  5. Step 5: Solve for x
    x = 115,112.91/529.62
  6. Step 6: Final answer
    x = 217.35

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