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Finding the Fourth Proportional to 463.82, 695.97 and 361.31

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Solution

The fourth proportional to 463.82, 695.97 and 361.31 is: 542.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    463.82 : 695.97 = 361.31 : x
  2. Step 2: Convert to fraction form
    463.82/695.97 = 361.31/x
  3. Step 3: Cross multiply
    463.82x = 695.97 × 361.31
  4. Step 4: Simplify right side
    463.82x = 251,457.44
  5. Step 5: Solve for x
    x = 251,457.44/463.82
  6. Step 6: Final answer
    x = 542.15

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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.