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Finding the Fourth Proportional to 937.73, 1,406.76 and 632.57

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Solution

The fourth proportional to 937.73, 1,406.76 and 632.57 is: 948.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    937.73 : 1,406.76 = 632.57 : x
  2. Step 2: Convert to fraction form
    937.73/1,406.76 = 632.57/x
  3. Step 3: Cross multiply
    937.73x = 1,406.76 × 632.57
  4. Step 4: Simplify right side
    937.73x = 889,874.17
  5. Step 5: Solve for x
    x = 889,874.17/937.73
  6. Step 6: Final answer
    x = 948.97

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.