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Finding the Fourth Proportional to 463.01, 694.71 and 174.38

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Solution

The fourth proportional to 463.01, 694.71 and 174.38 is: 261.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    463.01 : 694.71 = 174.38 : x
  2. Step 2: Convert to fraction form
    463.01/694.71 = 174.38/x
  3. Step 3: Cross multiply
    463.01x = 694.71 × 174.38
  4. Step 4: Simplify right side
    463.01x = 121,140.06
  5. Step 5: Solve for x
    x = 121,140.06/463.01
  6. Step 6: Final answer
    x = 261.64

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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.