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Finding the Fourth Proportional to 584.73, 806.92 and 322.74

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Solution

The fourth proportional to 584.73, 806.92 and 322.74 is: 445.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    584.73 : 806.92 = 322.74 : x
  2. Step 2: Convert to fraction form
    584.73/806.92 = 322.74/x
  3. Step 3: Cross multiply
    584.73x = 806.92 × 322.74
  4. Step 4: Simplify right side
    584.73x = 260,424.55
  5. Step 5: Solve for x
    x = 260,424.55/584.73
  6. Step 6: Final answer
    x = 445.38

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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.