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Finding the Fourth Proportional to 584.16, 806.13 and 322.17

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Solution

The fourth proportional to 584.16, 806.13 and 322.17 is: 444.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    584.16 : 806.13 = 322.17 : x
  2. Step 2: Convert to fraction form
    584.16/806.13 = 322.17/x
  3. Step 3: Cross multiply
    584.16x = 806.13 × 322.17
  4. Step 4: Simplify right side
    584.16x = 259,710.90
  5. Step 5: Solve for x
    x = 259,710.90/584.16
  6. Step 6: Final answer
    x = 444.59

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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.