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Finding the Fourth Proportional to 622.74, 934.08 and 237.96

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Solution

The fourth proportional to 622.74, 934.08 and 237.96 is: 356.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    622.74 : 934.08 = 237.96 : x
  2. Step 2: Convert to fraction form
    622.74/934.08 = 237.96/x
  3. Step 3: Cross multiply
    622.74x = 934.08 × 237.96
  4. Step 4: Simplify right side
    622.74x = 222,273.68
  5. Step 5: Solve for x
    x = 222,273.68/622.74
  6. Step 6: Final answer
    x = 356.93

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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.