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Finding the Fourth Proportional to 466.98, 644.33 and 301.16

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Solution

The fourth proportional to 466.98, 644.33 and 301.16 is: 415.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    466.98 : 644.33 = 301.16 : x
  2. Step 2: Convert to fraction form
    466.98/644.33 = 301.16/x
  3. Step 3: Cross multiply
    466.98x = 644.33 × 301.16
  4. Step 4: Simplify right side
    466.98x = 194,046.53
  5. Step 5: Solve for x
    x = 194,046.53/466.98
  6. Step 6: Final answer
    x = 415.53

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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.