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Finding the Fourth Proportional to 624.17, 936.74 and 234.52

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Solution

The fourth proportional to 624.17, 936.74 and 234.52 is: 351.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    624.17 : 936.74 = 234.52 : x
  2. Step 2: Convert to fraction form
    624.17/936.74 = 234.52/x
  3. Step 3: Cross multiply
    624.17x = 936.74 × 234.52
  4. Step 4: Simplify right side
    624.17x = 219,687.45
  5. Step 5: Solve for x
    x = 219,687.45/624.17
  6. Step 6: Final answer
    x = 351.97

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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.