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Finding the Fourth Proportional to 324,622.92, 447,947.64 and 181,379.82

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Solution

The fourth proportional to 324,622.92, 447,947.64 and 181,379.82 is: 250,286.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,622.92 : 447,947.64 = 181,379.82 : x
  2. Step 2: Convert to fraction form
    324,622.92/447,947.64 = 181,379.82/x
  3. Step 3: Cross multiply
    324,622.92x = 447,947.64 × 181,379.82
  4. Step 4: Simplify right side
    324,622.92x = 81,248,662,312.62
  5. Step 5: Solve for x
    x = 81,248,662,312.62/324,622.92
  6. Step 6: Final answer
    x = 250,286.28

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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.