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Finding the Fourth Proportional to 826.74, 1,240.92 and 595.86

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Solution

The fourth proportional to 826.74, 1,240.92 and 595.86 is: 894.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    826.74 : 1,240.92 = 595.86 : x
  2. Step 2: Convert to fraction form
    826.74/1,240.92 = 595.86/x
  3. Step 3: Cross multiply
    826.74x = 1,240.92 × 595.86
  4. Step 4: Simplify right side
    826.74x = 739,414.59
  5. Step 5: Solve for x
    x = 739,414.59/826.74
  6. Step 6: Final answer
    x = 894.37

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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.