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Finding the Fourth Proportional to 324,838.84, 487,036.51 and 173,058.61

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Solution

The fourth proportional to 324,838.84, 487,036.51 and 173,058.61 is: 259,469.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,838.84 : 487,036.51 = 173,058.61 : x
  2. Step 2: Convert to fraction form
    324,838.84/487,036.51 = 173,058.61/x
  3. Step 3: Cross multiply
    324,838.84x = 487,036.51 × 173,058.61
  4. Step 4: Simplify right side
    324,838.84x = 84,285,861,439.85
  5. Step 5: Solve for x
    x = 84,285,861,439.85/324,838.84
  6. Step 6: Final answer
    x = 259,469.78

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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.