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Finding the Fourth Proportional to 323,555.56, 446,508.17 and 187,669.96

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Solution

The fourth proportional to 323,555.56, 446,508.17 and 187,669.96 is: 258,985.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,555.56 : 446,508.17 = 187,669.96 : x
  2. Step 2: Convert to fraction form
    323,555.56/446,508.17 = 187,669.96/x
  3. Step 3: Cross multiply
    323,555.56x = 446,508.17 × 187,669.96
  4. Step 4: Simplify right side
    323,555.56x = 83,796,172,092.15
  5. Step 5: Solve for x
    x = 83,796,172,092.15/323,555.56
  6. Step 6: Final answer
    x = 258,985.42

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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.