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Finding the Fourth Proportional to 466.01, 643.13 and 269.52

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Solution

The fourth proportional to 466.01, 643.13 and 269.52 is: 371.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    466.01 : 643.13 = 269.52 : x
  2. Step 2: Convert to fraction form
    466.01/643.13 = 269.52/x
  3. Step 3: Cross multiply
    466.01x = 643.13 × 269.52
  4. Step 4: Simplify right side
    466.01x = 173,335.05
  5. Step 5: Solve for x
    x = 173,335.05/466.01
  6. Step 6: Final answer
    x = 371.96

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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.