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Finding the Fourth Proportional to 466.63, 694.96 and 461.16

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Solution

The fourth proportional to 466.63, 694.96 and 461.16 is: 686.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    466.63 : 694.96 = 461.16 : x
  2. Step 2: Convert to fraction form
    466.63/694.96 = 461.16/x
  3. Step 3: Cross multiply
    466.63x = 694.96 × 461.16
  4. Step 4: Simplify right side
    466.63x = 320,486.60
  5. Step 5: Solve for x
    x = 320,486.60/466.63
  6. Step 6: Final answer
    x = 686.81

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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.