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Finding the Fourth Proportional to 462.44, 693.63 and 231.10

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Solution

The fourth proportional to 462.44, 693.63 and 231.10 is: 346.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    462.44 : 693.63 = 231.10 : x
  2. Step 2: Convert to fraction form
    462.44/693.63 = 231.10/x
  3. Step 3: Cross multiply
    462.44x = 693.63 × 231.10
  4. Step 4: Simplify right side
    462.44x = 160,296.16
  5. Step 5: Solve for x
    x = 160,296.16/462.44
  6. Step 6: Final answer
    x = 346.63

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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.