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Finding the Fourth Proportional to 937.40, 1,293.82 and 544.62

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Solution

The fourth proportional to 937.40, 1,293.82 and 544.62 is: 751.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    937.40 : 1,293.82 = 544.62 : x
  2. Step 2: Convert to fraction form
    937.40/1,293.82 = 544.62/x
  3. Step 3: Cross multiply
    937.40x = 1,293.82 × 544.62
  4. Step 4: Simplify right side
    937.40x = 704,640.25
  5. Step 5: Solve for x
    x = 704,640.25/937.40
  6. Step 6: Final answer
    x = 751.70

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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.