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Finding the Fourth Proportional to 486,577.67, 729,787.25 and 170,960.90

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Solution

The fourth proportional to 486,577.67, 729,787.25 and 170,960.90 is: 256,413.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,577.67 : 729,787.25 = 170,960.90 : x
  2. Step 2: Convert to fraction form
    486,577.67/729,787.25 = 170,960.90/x
  3. Step 3: Cross multiply
    486,577.67x = 729,787.25 × 170,960.90
  4. Step 4: Simplify right side
    486,577.67x = 124,765,081,846.99
  5. Step 5: Solve for x
    x = 124,765,081,846.99/486,577.67
  6. Step 6: Final answer
    x = 256,413.50

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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.