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Finding the Fourth Proportional to 452.48, 674.66 and 444.28

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Solution

The fourth proportional to 452.48, 674.66 and 444.28 is: 662.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    452.48 : 674.66 = 444.28 : x
  2. Step 2: Convert to fraction form
    452.48/674.66 = 444.28/x
  3. Step 3: Cross multiply
    452.48x = 674.66 × 444.28
  4. Step 4: Simplify right side
    452.48x = 299,732.35
  5. Step 5: Solve for x
    x = 299,732.35/452.48
  6. Step 6: Final answer
    x = 662.43

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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.