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Finding the Fourth Proportional to 942.26, 1,413.27 and 248.98

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Solution

The fourth proportional to 942.26, 1,413.27 and 248.98 is: 373.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    942.26 : 1,413.27 = 248.98 : x
  2. Step 2: Convert to fraction form
    942.26/1,413.27 = 248.98/x
  3. Step 3: Cross multiply
    942.26x = 1,413.27 × 248.98
  4. Step 4: Simplify right side
    942.26x = 351,867.65
  5. Step 5: Solve for x
    x = 351,867.65/942.26
  6. Step 6: Final answer
    x = 373.43

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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.