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Finding the Fourth Proportional to 466.52, 642.72 and 335.30

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Solution

The fourth proportional to 466.52, 642.72 and 335.30 is: 461.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    466.52 : 642.72 = 335.30 : x
  2. Step 2: Convert to fraction form
    466.52/642.72 = 335.30/x
  3. Step 3: Cross multiply
    466.52x = 642.72 × 335.30
  4. Step 4: Simplify right side
    466.52x = 215,504.02
  5. Step 5: Solve for x
    x = 215,504.02/466.52
  6. Step 6: Final answer
    x = 461.94

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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.