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Finding the Fourth Proportional to 549.18, 823.80 and 183.99

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Solution

The fourth proportional to 549.18, 823.80 and 183.99 is: 276.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    549.18 : 823.80 = 183.99 : x
  2. Step 2: Convert to fraction form
    549.18/823.80 = 183.99/x
  3. Step 3: Cross multiply
    549.18x = 823.80 × 183.99
  4. Step 4: Simplify right side
    549.18x = 151,570.96
  5. Step 5: Solve for x
    x = 151,570.96/549.18
  6. Step 6: Final answer
    x = 276.00

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