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Finding the Fourth Proportional to 356,372.34, 491,806.07 and 195,227.34

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Solution

The fourth proportional to 356,372.34, 491,806.07 and 195,227.34 is: 269,420.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,372.34 : 491,806.07 = 195,227.34 : x
  2. Step 2: Convert to fraction form
    356,372.34/491,806.07 = 195,227.34/x
  3. Step 3: Cross multiply
    356,372.34x = 491,806.07 × 195,227.34
  4. Step 4: Simplify right side
    356,372.34x = 96,013,990,841.95
  5. Step 5: Solve for x
    x = 96,013,990,841.95/356,372.34
  6. Step 6: Final answer
    x = 269,420.43

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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.