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Finding the Fourth Proportional to 396.94, 595.50 and 123.03

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Solution

The fourth proportional to 396.94, 595.50 and 123.03 is: 184.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    396.94 : 595.50 = 123.03 : x
  2. Step 2: Convert to fraction form
    396.94/595.50 = 123.03/x
  3. Step 3: Cross multiply
    396.94x = 595.50 × 123.03
  4. Step 4: Simplify right side
    396.94x = 73,264.37
  5. Step 5: Solve for x
    x = 73,264.37/396.94
  6. Step 6: Final answer
    x = 184.57

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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.