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Finding the Fourth Proportional to 293.15, 439.70 and 130.83

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Solution

The fourth proportional to 293.15, 439.70 and 130.83 is: 196.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    293.15 : 439.70 = 130.83 : x
  2. Step 2: Convert to fraction form
    293.15/439.70 = 130.83/x
  3. Step 3: Cross multiply
    293.15x = 439.70 × 130.83
  4. Step 4: Simplify right side
    293.15x = 57,525.30
  5. Step 5: Solve for x
    x = 57,525.30/293.15
  6. Step 6: Final answer
    x = 196.23

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