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Finding the Fourth Proportional to 937.31, 1,293.29 and 544.13

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Solution

The fourth proportional to 937.31, 1,293.29 and 544.13 is: 750.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    937.31 : 1,293.29 = 544.13 : x
  2. Step 2: Convert to fraction form
    937.31/1,293.29 = 544.13/x
  3. Step 3: Cross multiply
    937.31x = 1,293.29 × 544.13
  4. Step 4: Simplify right side
    937.31x = 703,717.89
  5. Step 5: Solve for x
    x = 703,717.89/937.31
  6. Step 6: Final answer
    x = 750.78

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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.