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Finding the Fourth Proportional to 611.76, 917.69 and 200.93

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Solution

The fourth proportional to 611.76, 917.69 and 200.93 is: 301.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    611.76 : 917.69 = 200.93 : x
  2. Step 2: Convert to fraction form
    611.76/917.69 = 200.93/x
  3. Step 3: Cross multiply
    611.76x = 917.69 × 200.93
  4. Step 4: Simplify right side
    611.76x = 184,391.16
  5. Step 5: Solve for x
    x = 184,391.16/611.76
  6. Step 6: Final answer
    x = 301.41

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