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Finding the Fourth Proportional to 454, 681 and 441.84

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Solution

The fourth proportional to 454, 681 and 441.84 is: 662.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    454 : 681 = 441.84 : x
  2. Step 2: Convert to fraction form
    454/681 = 441.84/x
  3. Step 3: Cross multiply
    454x = 681 × 441.84
  4. Step 4: Simplify right side
    454x = 300,893.04
  5. Step 5: Solve for x
    x = 300,893.04/454
  6. Step 6: Final answer
    x = 662.76

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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.