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Finding the Fourth Proportional to 482,066.40, 722,581.20 and 182,431.20

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Solution

The fourth proportional to 482,066.40, 722,581.20 and 182,431.20 is: 273,450.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,066.40 : 722,581.20 = 182,431.20 : x
  2. Step 2: Convert to fraction form
    482,066.40/722,581.20 = 182,431.20/x
  3. Step 3: Cross multiply
    482,066.40x = 722,581.20 × 182,431.20
  4. Step 4: Simplify right side
    482,066.40x = 131,821,355,413.44
  5. Step 5: Solve for x
    x = 131,821,355,413.44/482,066.40
  6. Step 6: Final answer
    x = 273,450.62

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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.