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Finding the Fourth Proportional to 393.33, 590.67 and 376.02

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Solution

The fourth proportional to 393.33, 590.67 and 376.02 is: 564.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    393.33 : 590.67 = 376.02 : x
  2. Step 2: Convert to fraction form
    393.33/590.67 = 376.02/x
  3. Step 3: Cross multiply
    393.33x = 590.67 × 376.02
  4. Step 4: Simplify right side
    393.33x = 222,103.73
  5. Step 5: Solve for x
    x = 222,103.73/393.33
  6. Step 6: Final answer
    x = 564.68

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.