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Finding the Fourth Proportional to 324,791.37, 487,165.19 and 114,401.97

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Solution

The fourth proportional to 324,791.37, 487,165.19 and 114,401.97 is: 171,595.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,791.37 : 487,165.19 = 114,401.97 : x
  2. Step 2: Convert to fraction form
    324,791.37/487,165.19 = 114,401.97/x
  3. Step 3: Cross multiply
    324,791.37x = 487,165.19 × 114,401.97
  4. Step 4: Simplify right side
    324,791.37x = 55,732,656,879.41
  5. Step 5: Solve for x
    x = 55,732,656,879.41/324,791.37
  6. Step 6: Final answer
    x = 171,595.25

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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.