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Finding the Fourth Proportional to 346.83, 520.37 and 127.46

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Solution

The fourth proportional to 346.83, 520.37 and 127.46 is: 191.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    346.83 : 520.37 = 127.46 : x
  2. Step 2: Convert to fraction form
    346.83/520.37 = 127.46/x
  3. Step 3: Cross multiply
    346.83x = 520.37 × 127.46
  4. Step 4: Simplify right side
    346.83x = 66,323.12
  5. Step 5: Solve for x
    x = 66,323.12/346.83
  6. Step 6: Final answer
    x = 191.23

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