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Finding the Fourth Proportional to 937.82, 1,294.09 and 564.96

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Solution

The fourth proportional to 937.82, 1,294.09 and 564.96 is: 779.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    937.82 : 1,294.09 = 564.96 : x
  2. Step 2: Convert to fraction form
    937.82/1,294.09 = 564.96/x
  3. Step 3: Cross multiply
    937.82x = 1,294.09 × 564.96
  4. Step 4: Simplify right side
    937.82x = 731,109.09
  5. Step 5: Solve for x
    x = 731,109.09/937.82
  6. Step 6: Final answer
    x = 779.58

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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.