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Finding the Fourth Proportional to 463.10, 694.16 and 231.53

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Solution

The fourth proportional to 463.10, 694.16 and 231.53 is: 347.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    463.10 : 694.16 = 231.53 : x
  2. Step 2: Convert to fraction form
    463.10/694.16 = 231.53/x
  3. Step 3: Cross multiply
    463.10x = 694.16 × 231.53
  4. Step 4: Simplify right side
    463.10x = 160,719.44
  5. Step 5: Solve for x
    x = 160,719.44/463.10
  6. Step 6: Final answer
    x = 347.05

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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.