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Finding the Fourth Proportional to 471.75, 706.97 and 401.97

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Solution

The fourth proportional to 471.75, 706.97 and 401.97 is: 602.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    471.75 : 706.97 = 401.97 : x
  2. Step 2: Convert to fraction form
    471.75/706.97 = 401.97/x
  3. Step 3: Cross multiply
    471.75x = 706.97 × 401.97
  4. Step 4: Simplify right side
    471.75x = 284,178.72
  5. Step 5: Solve for x
    x = 284,178.72/471.75
  6. Step 6: Final answer
    x = 602.39

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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.