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Finding the Fourth Proportional to 937.31, 1,293.18 and 544.25

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Solution

The fourth proportional to 937.31, 1,293.18 and 544.25 is: 750.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    937.31 : 1,293.18 = 544.25 : x
  2. Step 2: Convert to fraction form
    937.31/1,293.18 = 544.25/x
  3. Step 3: Cross multiply
    937.31x = 1,293.18 × 544.25
  4. Step 4: Simplify right side
    937.31x = 703,806.75
  5. Step 5: Solve for x
    x = 703,806.75/937.31
  6. Step 6: Final answer
    x = 750.88

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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.