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Finding the Fourth Proportional to 298,610.53, 447,651.30 and 214,158.31

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Solution

The fourth proportional to 298,610.53, 447,651.30 and 214,158.31 is: 321,047.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,610.53 : 447,651.30 = 214,158.31 : x
  2. Step 2: Convert to fraction form
    298,610.53/447,651.30 = 214,158.31/x
  3. Step 3: Cross multiply
    298,610.53x = 447,651.30 × 214,158.31
  4. Step 4: Simplify right side
    298,610.53x = 95,868,245,877.30
  5. Step 5: Solve for x
    x = 95,868,245,877.30/298,610.53
  6. Step 6: Final answer
    x = 321,047.77

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