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Finding the Fourth Proportional to 433.26, 597.90 and 258.60

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Solution

The fourth proportional to 433.26, 597.90 and 258.60 is: 356.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    433.26 : 597.90 = 258.60 : x
  2. Step 2: Convert to fraction form
    433.26/597.90 = 258.60/x
  3. Step 3: Cross multiply
    433.26x = 597.90 × 258.60
  4. Step 4: Simplify right side
    433.26x = 154,616.94
  5. Step 5: Solve for x
    x = 154,616.94/433.26
  6. Step 6: Final answer
    x = 356.87

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