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Finding the Fourth Proportional to 354,046.77, 488,578.32 and 192,902.97

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Solution

The fourth proportional to 354,046.77, 488,578.32 and 192,902.97 is: 266,202.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,046.77 : 488,578.32 = 192,902.97 : x
  2. Step 2: Convert to fraction form
    354,046.77/488,578.32 = 192,902.97/x
  3. Step 3: Cross multiply
    354,046.77x = 488,578.32 × 192,902.97
  4. Step 4: Simplify right side
    354,046.77x = 94,248,209,005.61
  5. Step 5: Solve for x
    x = 94,248,209,005.61/354,046.77
  6. Step 6: Final answer
    x = 266,202.71

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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.