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Finding the Fourth Proportional to 324,626.43, 447,955.34 and 181,366.59

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Solution

The fourth proportional to 324,626.43, 447,955.34 and 181,366.59 is: 250,269.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,626.43 : 447,955.34 = 181,366.59 : x
  2. Step 2: Convert to fraction form
    324,626.43/447,955.34 = 181,366.59/x
  3. Step 3: Cross multiply
    324,626.43x = 447,955.34 × 181,366.59
  4. Step 4: Simplify right side
    324,626.43x = 81,244,131,581.26
  5. Step 5: Solve for x
    x = 81,244,131,581.26/324,626.43
  6. Step 6: Final answer
    x = 250,269.61

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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.