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Finding the Fourth Proportional to 937.18, 1,293.24 and 544.15

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Solution

The fourth proportional to 937.18, 1,293.24 and 544.15 is: 750.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    937.18 : 1,293.24 = 544.15 : x
  2. Step 2: Convert to fraction form
    937.18/1,293.24 = 544.15/x
  3. Step 3: Cross multiply
    937.18x = 1,293.24 × 544.15
  4. Step 4: Simplify right side
    937.18x = 703,716.55
  5. Step 5: Solve for x
    x = 703,716.55/937.18
  6. Step 6: Final answer
    x = 750.89

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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.