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Finding the Fourth Proportional to 604.26, 833.90 and 342.29

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Solution

The fourth proportional to 604.26, 833.90 and 342.29 is: 472.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    604.26 : 833.90 = 342.29 : x
  2. Step 2: Convert to fraction form
    604.26/833.90 = 342.29/x
  3. Step 3: Cross multiply
    604.26x = 833.90 × 342.29
  4. Step 4: Simplify right side
    604.26x = 285,429.75
  5. Step 5: Solve for x
    x = 285,429.75/604.26
  6. Step 6: Final answer
    x = 472.36

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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.