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Finding the Fourth Proportional to 591.97, 814.75 and 451.84

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Solution

The fourth proportional to 591.97, 814.75 and 451.84 is: 621.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    591.97 : 814.75 = 451.84 : x
  2. Step 2: Convert to fraction form
    591.97/814.75 = 451.84/x
  3. Step 3: Cross multiply
    591.97x = 814.75 × 451.84
  4. Step 4: Simplify right side
    591.97x = 368,136.64
  5. Step 5: Solve for x
    x = 368,136.64/591.97
  6. Step 6: Final answer
    x = 621.88

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Double scale
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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.