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Finding the Fourth Proportional to 462.44, 693.84 and 245.96

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Solution

The fourth proportional to 462.44, 693.84 and 245.96 is: 369.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    462.44 : 693.84 = 245.96 : x
  2. Step 2: Convert to fraction form
    462.44/693.84 = 245.96/x
  3. Step 3: Cross multiply
    462.44x = 693.84 × 245.96
  4. Step 4: Simplify right side
    462.44x = 170,656.89
  5. Step 5: Solve for x
    x = 170,656.89/462.44
  6. Step 6: Final answer
    x = 369.04

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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.