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Finding the Fourth Proportional to 323,745.65, 485,662.76 and 110,456.27

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Solution

The fourth proportional to 323,745.65, 485,662.76 and 110,456.27 is: 165,699.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,745.65 : 485,662.76 = 110,456.27 : x
  2. Step 2: Convert to fraction form
    323,745.65/485,662.76 = 110,456.27/x
  3. Step 3: Cross multiply
    323,745.65x = 485,662.76 × 110,456.27
  4. Step 4: Simplify right side
    323,745.65x = 53,644,496,947.51
  5. Step 5: Solve for x
    x = 53,644,496,947.51/323,745.65
  6. Step 6: Final answer
    x = 165,699.51

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Why These Related Problems?

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