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Finding the Fourth Proportional to 220,047.44, 331,265.39 and 197,186

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Solution

The fourth proportional to 220,047.44, 331,265.39 and 197,186 is: 296,849.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,047.44 : 331,265.39 = 197,186 : x
  2. Step 2: Convert to fraction form
    220,047.44/331,265.39 = 197,186/x
  3. Step 3: Cross multiply
    220,047.44x = 331,265.39 × 197,186
  4. Step 4: Simplify right side
    220,047.44x = 65,320,897,192.54
  5. Step 5: Solve for x
    x = 65,320,897,192.54/220,047.44
  6. Step 6: Final answer
    x = 296,849.16

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.