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Finding the Fourth Proportional to 633.24, 948.36 and 307.56

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Solution

The fourth proportional to 633.24, 948.36 and 307.56 is: 460.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    633.24 : 948.36 = 307.56 : x
  2. Step 2: Convert to fraction form
    633.24/948.36 = 307.56/x
  3. Step 3: Cross multiply
    633.24x = 948.36 × 307.56
  4. Step 4: Simplify right side
    633.24x = 291,677.60
  5. Step 5: Solve for x
    x = 291,677.60/633.24
  6. Step 6: Final answer
    x = 460.61

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