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Finding the Fourth Proportional to 604.42, 834.14 and 342.44

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Solution

The fourth proportional to 604.42, 834.14 and 342.44 is: 472.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    604.42 : 834.14 = 342.44 : x
  2. Step 2: Convert to fraction form
    604.42/834.14 = 342.44/x
  3. Step 3: Cross multiply
    604.42x = 834.14 × 342.44
  4. Step 4: Simplify right side
    604.42x = 285,642.90
  5. Step 5: Solve for x
    x = 285,642.90/604.42
  6. Step 6: Final answer
    x = 472.59

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.