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Finding the Fourth Proportional to 941.94, 1,413.36 and 576.53

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Solution

The fourth proportional to 941.94, 1,413.36 and 576.53 is: 865.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    941.94 : 1,413.36 = 576.53 : x
  2. Step 2: Convert to fraction form
    941.94/1,413.36 = 576.53/x
  3. Step 3: Cross multiply
    941.94x = 1,413.36 × 576.53
  4. Step 4: Simplify right side
    941.94x = 814,837.37
  5. Step 5: Solve for x
    x = 814,837.37/941.94
  6. Step 6: Final answer
    x = 865.06

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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.