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Finding the Fourth Proportional to 464.22, 694.77 and 361.71

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Solution

The fourth proportional to 464.22, 694.77 and 361.71 is: 541.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    464.22 : 694.77 = 361.71 : x
  2. Step 2: Convert to fraction form
    464.22/694.77 = 361.71/x
  3. Step 3: Cross multiply
    464.22x = 694.77 × 361.71
  4. Step 4: Simplify right side
    464.22x = 251,305.26
  5. Step 5: Solve for x
    x = 251,305.26/464.22
  6. Step 6: Final answer
    x = 541.35

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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.