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Finding the Fourth Proportional to 624,481.68, 861,826.32 and 352,452.96

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Solution

The fourth proportional to 624,481.68, 861,826.32 and 352,452.96 is: 486,408.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,481.68 : 861,826.32 = 352,452.96 : x
  2. Step 2: Convert to fraction form
    624,481.68/861,826.32 = 352,452.96/x
  3. Step 3: Cross multiply
    624,481.68x = 861,826.32 × 352,452.96
  4. Step 4: Simplify right side
    624,481.68x = 303,753,237,489.91
  5. Step 5: Solve for x
    x = 303,753,237,489.91/624,481.68
  6. Step 6: Final answer
    x = 486,408.56

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Why These Related Problems?

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