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Finding the Fourth Proportional to 435.41, 653.33 and 204.32

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Solution

The fourth proportional to 435.41, 653.33 and 204.32 is: 306.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    435.41 : 653.33 = 204.32 : x
  2. Step 2: Convert to fraction form
    435.41/653.33 = 204.32/x
  3. Step 3: Cross multiply
    435.41x = 653.33 × 204.32
  4. Step 4: Simplify right side
    435.41x = 133,487.36
  5. Step 5: Solve for x
    x = 133,487.36/435.41
  6. Step 6: Final answer
    x = 306.58

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