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Finding the Fourth Proportional to 308,327.66, 461,736.66 and 254,691.48

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Solution

The fourth proportional to 308,327.66, 461,736.66 and 254,691.48 is: 381,413.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,327.66 : 461,736.66 = 254,691.48 : x
  2. Step 2: Convert to fraction form
    308,327.66/461,736.66 = 254,691.48/x
  3. Step 3: Cross multiply
    308,327.66x = 461,736.66 × 254,691.48
  4. Step 4: Simplify right side
    308,327.66x = 117,600,393,305.66
  5. Step 5: Solve for x
    x = 117,600,393,305.66/308,327.66
  6. Step 6: Final answer
    x = 381,413.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.