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Finding the Fourth Proportional to 584.19, 806.11 and 322.16

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Solution

The fourth proportional to 584.19, 806.11 and 322.16 is: 444.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    584.19 : 806.11 = 322.16 : x
  2. Step 2: Convert to fraction form
    584.19/806.11 = 322.16/x
  3. Step 3: Cross multiply
    584.19x = 806.11 × 322.16
  4. Step 4: Simplify right side
    584.19x = 259,691.56
  5. Step 5: Solve for x
    x = 259,691.56/584.19
  6. Step 6: Final answer
    x = 444.53

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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.