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Finding the Fourth Proportional to 322,936.73, 484,090.87 and 154,413.35

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Solution

The fourth proportional to 322,936.73, 484,090.87 and 154,413.35 is: 231,469.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,936.73 : 484,090.87 = 154,413.35 : x
  2. Step 2: Convert to fraction form
    322,936.73/484,090.87 = 154,413.35/x
  3. Step 3: Cross multiply
    322,936.73x = 484,090.87 × 154,413.35
  4. Step 4: Simplify right side
    322,936.73x = 74,750,092,941.11
  5. Step 5: Solve for x
    x = 74,750,092,941.11/322,936.73
  6. Step 6: Final answer
    x = 231,469.78

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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.