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Finding the Fourth Proportional to 466.83, 644.29 and 270.47

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Solution

The fourth proportional to 466.83, 644.29 and 270.47 is: 373.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    466.83 : 644.29 = 270.47 : x
  2. Step 2: Convert to fraction form
    466.83/644.29 = 270.47/x
  3. Step 3: Cross multiply
    466.83x = 644.29 × 270.47
  4. Step 4: Simplify right side
    466.83x = 174,262.05
  5. Step 5: Solve for x
    x = 174,262.05/466.83
  6. Step 6: Final answer
    x = 373.29

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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.