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Finding the Fourth Proportional to 296,958.42, 443,806.48 and 217,163.91

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Solution

The fourth proportional to 296,958.42, 443,806.48 and 217,163.91 is: 324,553.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,958.42 : 443,806.48 = 217,163.91 : x
  2. Step 2: Convert to fraction form
    296,958.42/443,806.48 = 217,163.91/x
  3. Step 3: Cross multiply
    296,958.42x = 443,806.48 × 217,163.91
  4. Step 4: Simplify right side
    296,958.42x = 96,378,750,480.14
  5. Step 5: Solve for x
    x = 96,378,750,480.14/296,958.42
  6. Step 6: Final answer
    x = 324,553.01

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.