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Finding the Fourth Proportional to 584.98, 806.97 and 474.58

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Solution

The fourth proportional to 584.98, 806.97 and 474.58 is: 654.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    584.98 : 806.97 = 474.58 : x
  2. Step 2: Convert to fraction form
    584.98/806.97 = 474.58/x
  3. Step 3: Cross multiply
    584.98x = 806.97 × 474.58
  4. Step 4: Simplify right side
    584.98x = 382,971.82
  5. Step 5: Solve for x
    x = 382,971.82/584.98
  6. Step 6: Final answer
    x = 654.68

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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.