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Finding the Fourth Proportional to 324,544.89, 447,870.82 and 179,346.66

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Solution

The fourth proportional to 324,544.89, 447,870.82 and 179,346.66 is: 247,497.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,544.89 : 447,870.82 = 179,346.66 : x
  2. Step 2: Convert to fraction form
    324,544.89/447,870.82 = 179,346.66/x
  3. Step 3: Cross multiply
    324,544.89x = 447,870.82 × 179,346.66
  4. Step 4: Simplify right side
    324,544.89x = 80,324,135,678.46
  5. Step 5: Solve for x
    x = 80,324,135,678.46/324,544.89
  6. Step 6: Final answer
    x = 247,497.77

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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.