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Finding the Fourth Proportional to 357.51, 493.17 and 233.23

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Solution

The fourth proportional to 357.51, 493.17 and 233.23 is: 321.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    357.51 : 493.17 = 233.23 : x
  2. Step 2: Convert to fraction form
    357.51/493.17 = 233.23/x
  3. Step 3: Cross multiply
    357.51x = 493.17 × 233.23
  4. Step 4: Simplify right side
    357.51x = 115,022.04
  5. Step 5: Solve for x
    x = 115,022.04/357.51
  6. Step 6: Final answer
    x = 321.73

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.