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Finding the Fourth Proportional to 472.48, 708.80 and 241.25

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Solution

The fourth proportional to 472.48, 708.80 and 241.25 is: 361.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    472.48 : 708.80 = 241.25 : x
  2. Step 2: Convert to fraction form
    472.48/708.80 = 241.25/x
  3. Step 3: Cross multiply
    472.48x = 708.80 × 241.25
  4. Step 4: Simplify right side
    472.48x = 170,995.26
  5. Step 5: Solve for x
    x = 170,995.26/472.48
  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.