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Finding the Fourth Proportional to 937.76, 1,294.15 and 544.71

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Solution

The fourth proportional to 937.76, 1,294.15 and 544.71 is: 751.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    937.76 : 1,294.15 = 544.71 : x
  2. Step 2: Convert to fraction form
    937.76/1,294.15 = 544.71/x
  3. Step 3: Cross multiply
    937.76x = 1,294.15 × 544.71
  4. Step 4: Simplify right side
    937.76x = 704,935.21
  5. Step 5: Solve for x
    x = 704,935.21/937.76
  6. Step 6: Final answer
    x = 751.72

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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.