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Finding the Fourth Proportional to 396.59, 594.60 and 153.14

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Solution

The fourth proportional to 396.59, 594.60 and 153.14 is: 229.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    396.59 : 594.60 = 153.14 : x
  2. Step 2: Convert to fraction form
    396.59/594.60 = 153.14/x
  3. Step 3: Cross multiply
    396.59x = 594.60 × 153.14
  4. Step 4: Simplify right side
    396.59x = 91,054.07
  5. Step 5: Solve for x
    x = 91,054.07/396.59
  6. Step 6: Final answer
    x = 229.60

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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.