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Finding the Fourth Proportional to 584.04, 806 and 351.12

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Solution

The fourth proportional to 584.04, 806 and 351.12 is: 484.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    584.04 : 806 = 351.12 : x
  2. Step 2: Convert to fraction form
    584.04/806 = 351.12/x
  3. Step 3: Cross multiply
    584.04x = 806 × 351.12
  4. Step 4: Simplify right side
    584.04x = 283,002.72
  5. Step 5: Solve for x
    x = 283,002.72/584.04
  6. Step 6: Final answer
    x = 484.56

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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.