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Finding the Fourth Proportional to 435.99, 653.79 and 204.95

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Solution

The fourth proportional to 435.99, 653.79 and 204.95 is: 307.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    435.99 : 653.79 = 204.95 : x
  2. Step 2: Convert to fraction form
    435.99/653.79 = 204.95/x
  3. Step 3: Cross multiply
    435.99x = 653.79 × 204.95
  4. Step 4: Simplify right side
    435.99x = 133,990.99
  5. Step 5: Solve for x
    x = 133,990.99/435.99
  6. Step 6: Final answer
    x = 307.33

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