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Finding the Fourth Proportional to 354,016.38, 488,540.67 and 192,871.02

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Solution

The fourth proportional to 354,016.38, 488,540.67 and 192,871.02 is: 266,160.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,016.38 : 488,540.67 = 192,871.02 : x
  2. Step 2: Convert to fraction form
    354,016.38/488,540.67 = 192,871.02/x
  3. Step 3: Cross multiply
    354,016.38x = 488,540.67 × 192,871.02
  4. Step 4: Simplify right side
    354,016.38x = 94,225,337,334.38
  5. Step 5: Solve for x
    x = 94,225,337,334.38/354,016.38
  6. Step 6: Final answer
    x = 266,160.95

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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.