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Finding the Fourth Proportional to 299.30, 413.00 and 174.93

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Solution

The fourth proportional to 299.30, 413.00 and 174.93 is: 241.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    299.30 : 413.00 = 174.93 : x
  2. Step 2: Convert to fraction form
    299.30/413.00 = 174.93/x
  3. Step 3: Cross multiply
    299.30x = 413.00 × 174.93
  4. Step 4: Simplify right side
    299.30x = 72,245.22
  5. Step 5: Solve for x
    x = 72,245.22/299.30
  6. Step 6: Final answer
    x = 241.38

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.