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Finding the Fourth Proportional to 622.69, 933.99 and 232.54

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Solution

The fourth proportional to 622.69, 933.99 and 232.54 is: 348.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    622.69 : 933.99 = 232.54 : x
  2. Step 2: Convert to fraction form
    622.69/933.99 = 232.54/x
  3. Step 3: Cross multiply
    622.69x = 933.99 × 232.54
  4. Step 4: Simplify right side
    622.69x = 217,191.20
  5. Step 5: Solve for x
    x = 217,191.20/622.69
  6. Step 6: Final answer
    x = 348.79

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.