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Finding the Fourth Proportional to 826.49, 1,238.11 and 594.83

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Solution

The fourth proportional to 826.49, 1,238.11 and 594.83 is: 891.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    826.49 : 1,238.11 = 594.83 : x
  2. Step 2: Convert to fraction form
    826.49/1,238.11 = 594.83/x
  3. Step 3: Cross multiply
    826.49x = 1,238.11 × 594.83
  4. Step 4: Simplify right side
    826.49x = 736,466.58
  5. Step 5: Solve for x
    x = 736,466.58/826.49
  6. Step 6: Final answer
    x = 891.07

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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.