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Finding the Fourth Proportional to 508.26, 701.10 and 331.14

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Solution

The fourth proportional to 508.26, 701.10 and 331.14 is: 456.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    508.26 : 701.10 = 331.14 : x
  2. Step 2: Convert to fraction form
    508.26/701.10 = 331.14/x
  3. Step 3: Cross multiply
    508.26x = 701.10 × 331.14
  4. Step 4: Simplify right side
    508.26x = 232,162.25
  5. Step 5: Solve for x
    x = 232,162.25/508.26
  6. Step 6: Final answer
    x = 456.78

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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.