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Finding the Fourth Proportional to 624.06, 936.39 and 299.34

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Solution

The fourth proportional to 624.06, 936.39 and 299.34 is: 449.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    624.06 : 936.39 = 299.34 : x
  2. Step 2: Convert to fraction form
    624.06/936.39 = 299.34/x
  3. Step 3: Cross multiply
    624.06x = 936.39 × 299.34
  4. Step 4: Simplify right side
    624.06x = 280,298.98
  5. Step 5: Solve for x
    x = 280,298.98/624.06
  6. Step 6: Final answer
    x = 449.15

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