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Finding the Fourth Proportional to 465.72, 694 and 452.52

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Solution

The fourth proportional to 465.72, 694 and 452.52 is: 674.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    465.72 : 694 = 452.52 : x
  2. Step 2: Convert to fraction form
    465.72/694 = 452.52/x
  3. Step 3: Cross multiply
    465.72x = 694 × 452.52
  4. Step 4: Simplify right side
    465.72x = 314,048.88
  5. Step 5: Solve for x
    x = 314,048.88/465.72
  6. Step 6: Final answer
    x = 674.33

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.