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Finding the Fourth Proportional to 944.14, 1,413.78 and 532.66

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Solution

The fourth proportional to 944.14, 1,413.78 and 532.66 is: 797.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    944.14 : 1,413.78 = 532.66 : x
  2. Step 2: Convert to fraction form
    944.14/1,413.78 = 532.66/x
  3. Step 3: Cross multiply
    944.14x = 1,413.78 × 532.66
  4. Step 4: Simplify right side
    944.14x = 753,064.05
  5. Step 5: Solve for x
    x = 753,064.05/944.14
  6. Step 6: Final answer
    x = 797.62

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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.