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Finding the Fourth Proportional to 624.44, 861.63 and 362.41

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Solution

The fourth proportional to 624.44, 861.63 and 362.41 is: 500.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    624.44 : 861.63 = 362.41 : x
  2. Step 2: Convert to fraction form
    624.44/861.63 = 362.41/x
  3. Step 3: Cross multiply
    624.44x = 861.63 × 362.41
  4. Step 4: Simplify right side
    624.44x = 312,263.33
  5. Step 5: Solve for x
    x = 312,263.33/624.44
  6. Step 6: Final answer
    x = 500.07

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.