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Finding the Fourth Proportional to 460.24, 691.44 and 395.44

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Solution

The fourth proportional to 460.24, 691.44 and 395.44 is: 594.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    460.24 : 691.44 = 395.44 : x
  2. Step 2: Convert to fraction form
    460.24/691.44 = 395.44/x
  3. Step 3: Cross multiply
    460.24x = 691.44 × 395.44
  4. Step 4: Simplify right side
    460.24x = 273,423.03
  5. Step 5: Solve for x
    x = 273,423.03/460.24
  6. Step 6: Final answer
    x = 594.09

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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.