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Finding the Fourth Proportional to 937.61, 1,293.80 and 544.56

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Solution

The fourth proportional to 937.61, 1,293.80 and 544.56 is: 751.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    937.61 : 1,293.80 = 544.56 : x
  2. Step 2: Convert to fraction form
    937.61/1,293.80 = 544.56/x
  3. Step 3: Cross multiply
    937.61x = 1,293.80 × 544.56
  4. Step 4: Simplify right side
    937.61x = 704,551.73
  5. Step 5: Solve for x
    x = 704,551.73/937.61
  6. Step 6: Final answer
    x = 751.43

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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.