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Finding the Fourth Proportional to 584.46, 806.59 and 322.48

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Solution

The fourth proportional to 584.46, 806.59 and 322.48 is: 445.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    584.46 : 806.59 = 322.48 : x
  2. Step 2: Convert to fraction form
    584.46/806.59 = 322.48/x
  3. Step 3: Cross multiply
    584.46x = 806.59 × 322.48
  4. Step 4: Simplify right side
    584.46x = 260,110.55
  5. Step 5: Solve for x
    x = 260,110.55/584.46
  6. Step 6: Final answer
    x = 445.04

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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.