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Finding the Fourth Proportional to 324,686.88, 448,033.20 and 181,452.96

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Solution

The fourth proportional to 324,686.88, 448,033.20 and 181,452.96 is: 250,385.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,686.88 : 448,033.20 = 181,452.96 : x
  2. Step 2: Convert to fraction form
    324,686.88/448,033.20 = 181,452.96/x
  3. Step 3: Cross multiply
    324,686.88x = 448,033.20 × 181,452.96
  4. Step 4: Simplify right side
    324,686.88x = 81,296,950,318.27
  5. Step 5: Solve for x
    x = 81,296,950,318.27/324,686.88
  6. Step 6: Final answer
    x = 250,385.70

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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.