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Finding the Fourth Proportional to 324,613.14, 447,989.31 and 179,415.81

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Solution

The fourth proportional to 324,613.14, 447,989.31 and 179,415.81 is: 247,606.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,613.14 : 447,989.31 = 179,415.81 : x
  2. Step 2: Convert to fraction form
    324,613.14/447,989.31 = 179,415.81/x
  3. Step 3: Cross multiply
    324,613.14x = 447,989.31 × 179,415.81
  4. Step 4: Simplify right side
    324,613.14x = 80,376,364,924.99
  5. Step 5: Solve for x
    x = 80,376,364,924.99/324,613.14
  6. Step 6: Final answer
    x = 247,606.63

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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.