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Finding the Fourth Proportional to 472.14, 707.62 and 241.09

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Solution

The fourth proportional to 472.14, 707.62 and 241.09 is: 361.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    472.14 : 707.62 = 241.09 : x
  2. Step 2: Convert to fraction form
    472.14/707.62 = 241.09/x
  3. Step 3: Cross multiply
    472.14x = 707.62 × 241.09
  4. Step 4: Simplify right side
    472.14x = 170,600.11
  5. Step 5: Solve for x
    x = 170,600.11/472.14
  6. Step 6: Final answer
    x = 361.33

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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.