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Finding the Fourth Proportional to 497.85, 746.66 and 189.59

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Solution

The fourth proportional to 497.85, 746.66 and 189.59 is: 284.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    497.85 : 746.66 = 189.59 : x
  2. Step 2: Convert to fraction form
    497.85/746.66 = 189.59/x
  3. Step 3: Cross multiply
    497.85x = 746.66 × 189.59
  4. Step 4: Simplify right side
    497.85x = 141,554.59
  5. Step 5: Solve for x
    x = 141,554.59/497.85
  6. Step 6: Final answer
    x = 284.33

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