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Finding the Fourth Proportional to 584.16, 806.20 and 501.54

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Solution

The fourth proportional to 584.16, 806.20 and 501.54 is: 692.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    584.16 : 806.20 = 501.54 : x
  2. Step 2: Convert to fraction form
    584.16/806.20 = 501.54/x
  3. Step 3: Cross multiply
    584.16x = 806.20 × 501.54
  4. Step 4: Simplify right side
    584.16x = 404,340.29
  5. Step 5: Solve for x
    x = 404,340.29/584.16
  6. Step 6: Final answer
    x = 692.17

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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.