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Finding the Fourth Proportional to 481.04, 662.98 and 414.48

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Solution

The fourth proportional to 481.04, 662.98 and 414.48 is: 571.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    481.04 : 662.98 = 414.48 : x
  2. Step 2: Convert to fraction form
    481.04/662.98 = 414.48/x
  3. Step 3: Cross multiply
    481.04x = 662.98 × 414.48
  4. Step 4: Simplify right side
    481.04x = 274,791.95
  5. Step 5: Solve for x
    x = 274,791.95/481.04
  6. Step 6: Final answer
    x = 571.25

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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.