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Finding the Fourth Proportional to 332.72, 498.40 and 241.60

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Solution

The fourth proportional to 332.72, 498.40 and 241.60 is: 361.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    332.72 : 498.40 = 241.60 : x
  2. Step 2: Convert to fraction form
    332.72/498.40 = 241.60/x
  3. Step 3: Cross multiply
    332.72x = 498.40 × 241.60
  4. Step 4: Simplify right side
    332.72x = 120,413.44
  5. Step 5: Solve for x
    x = 120,413.44/332.72
  6. Step 6: Final answer
    x = 361.91

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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.