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Finding the Fourth Proportional to 472.69, 709.10 and 241.73

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Solution

The fourth proportional to 472.69, 709.10 and 241.73 is: 362.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    472.69 : 709.10 = 241.73 : x
  2. Step 2: Convert to fraction form
    472.69/709.10 = 241.73/x
  3. Step 3: Cross multiply
    472.69x = 709.10 × 241.73
  4. Step 4: Simplify right side
    472.69x = 171,410.74
  5. Step 5: Solve for x
    x = 171,410.74/472.69
  6. Step 6: Final answer
    x = 362.63

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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.