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Finding the Fourth Proportional to 1,608.19, 2,413.67 and 634.97

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Solution

The fourth proportional to 1,608.19, 2,413.67 and 634.97 is: 953.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,608.19 : 2,413.67 = 634.97 : x
  2. Step 2: Convert to fraction form
    1,608.19/2,413.67 = 634.97/x
  3. Step 3: Cross multiply
    1,608.19x = 2,413.67 × 634.97
  4. Step 4: Simplify right side
    1,608.19x = 1,532,610.90
  5. Step 5: Solve for x
    x = 1,532,610.90/1,608.19
  6. Step 6: Final answer
    x = 953.01

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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.