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Finding the Fourth Proportional to 529,624.80, 794,145.60 and 213,724.80

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Solution

The fourth proportional to 529,624.80, 794,145.60 and 213,724.80 is: 320,469.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,624.80 : 794,145.60 = 213,724.80 : x
  2. Step 2: Convert to fraction form
    529,624.80/794,145.60 = 213,724.80/x
  3. Step 3: Cross multiply
    529,624.80x = 794,145.60 × 213,724.80
  4. Step 4: Simplify right side
    529,624.80x = 169,728,609,530.88
  5. Step 5: Solve for x
    x = 169,728,609,530.88/529,624.80
  6. Step 6: Final answer
    x = 320,469.53

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