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Finding the Fourth Proportional to 462.36, 693.26 and 230.98

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Solution

The fourth proportional to 462.36, 693.26 and 230.98 is: 346.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    462.36 : 693.26 = 230.98 : x
  2. Step 2: Convert to fraction form
    462.36/693.26 = 230.98/x
  3. Step 3: Cross multiply
    462.36x = 693.26 × 230.98
  4. Step 4: Simplify right side
    462.36x = 160,129.19
  5. Step 5: Solve for x
    x = 160,129.19/462.36
  6. Step 6: Final answer
    x = 346.33

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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.