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Finding the Fourth Proportional to 466.72, 644.07 and 335.86

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Solution

The fourth proportional to 466.72, 644.07 and 335.86 is: 463.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    466.72 : 644.07 = 335.86 : x
  2. Step 2: Convert to fraction form
    466.72/644.07 = 335.86/x
  3. Step 3: Cross multiply
    466.72x = 644.07 × 335.86
  4. Step 4: Simplify right side
    466.72x = 216,317.35
  5. Step 5: Solve for x
    x = 216,317.35/466.72
  6. Step 6: Final answer
    x = 463.48

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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.