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Finding the Fourth Proportional to 325,989.71, 449,865.52 and 182,749.76

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Solution

The fourth proportional to 325,989.71, 449,865.52 and 182,749.76 is: 252,194.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,989.71 : 449,865.52 = 182,749.76 : x
  2. Step 2: Convert to fraction form
    325,989.71/449,865.52 = 182,749.76/x
  3. Step 3: Cross multiply
    325,989.71x = 449,865.52 × 182,749.76
  4. Step 4: Simplify right side
    325,989.71x = 82,212,815,812.28
  5. Step 5: Solve for x
    x = 82,212,815,812.28/325,989.71
  6. Step 6: Final answer
    x = 252,194.51

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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.