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Finding the Fourth Proportional to 941.77, 1,413.07 and 364.69

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Solution

The fourth proportional to 941.77, 1,413.07 and 364.69 is: 547.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    941.77 : 1,413.07 = 364.69 : x
  2. Step 2: Convert to fraction form
    941.77/1,413.07 = 364.69/x
  3. Step 3: Cross multiply
    941.77x = 1,413.07 × 364.69
  4. Step 4: Simplify right side
    941.77x = 515,324.52
  5. Step 5: Solve for x
    x = 515,324.52/941.77
  6. Step 6: Final answer
    x = 547.19

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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.