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Finding the Fourth Proportional to 354,414.36, 489,091.91 and 193,265.27

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Solution

The fourth proportional to 354,414.36, 489,091.91 and 193,265.27 is: 266,706.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,414.36 : 489,091.91 = 193,265.27 : x
  2. Step 2: Convert to fraction form
    354,414.36/489,091.91 = 193,265.27/x
  3. Step 3: Cross multiply
    354,414.36x = 489,091.91 × 193,265.27
  4. Step 4: Simplify right side
    354,414.36x = 94,524,476,629.18
  5. Step 5: Solve for x
    x = 94,524,476,629.18/354,414.36
  6. Step 6: Final answer
    x = 266,706.11

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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.