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Finding the Fourth Proportional to 624,370.22, 861,633.62 and 337,890.33

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Solution

The fourth proportional to 624,370.22, 861,633.62 and 337,890.33 is: 466,290.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,370.22 : 861,633.62 = 337,890.33 : x
  2. Step 2: Convert to fraction form
    624,370.22/861,633.62 = 337,890.33/x
  3. Step 3: Cross multiply
    624,370.22x = 861,633.62 × 337,890.33
  4. Step 4: Simplify right side
    624,370.22x = 291,137,666,511.44
  5. Step 5: Solve for x
    x = 291,137,666,511.44/624,370.22
  6. Step 6: Final answer
    x = 466,290.12

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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.