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Finding the Fourth Proportional to 327,625.71, 452,262.96 and 220,258

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Solution

The fourth proportional to 327,625.71, 452,262.96 and 220,258 is: 304,049.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,625.71 : 452,262.96 = 220,258 : x
  2. Step 2: Convert to fraction form
    327,625.71/452,262.96 = 220,258/x
  3. Step 3: Cross multiply
    327,625.71x = 452,262.96 × 220,258
  4. Step 4: Simplify right side
    327,625.71x = 99,614,535,043.68
  5. Step 5: Solve for x
    x = 99,614,535,043.68/327,625.71
  6. Step 6: Final answer
    x = 304,049.81

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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.