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Finding the Fourth Proportional to 624.56, 936.42 and 295.56

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Solution

The fourth proportional to 624.56, 936.42 and 295.56 is: 443.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    624.56 : 936.42 = 295.56 : x
  2. Step 2: Convert to fraction form
    624.56/936.42 = 295.56/x
  3. Step 3: Cross multiply
    624.56x = 936.42 × 295.56
  4. Step 4: Simplify right side
    624.56x = 276,768.30
  5. Step 5: Solve for x
    x = 276,768.30/624.56
  6. Step 6: Final answer
    x = 443.14

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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.