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Finding the Fourth Proportional to 826.11, 1,235.93 and 595.44

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Solution

The fourth proportional to 826.11, 1,235.93 and 595.44 is: 890.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    826.11 : 1,235.93 = 595.44 : x
  2. Step 2: Convert to fraction form
    826.11/1,235.93 = 595.44/x
  3. Step 3: Cross multiply
    826.11x = 1,235.93 × 595.44
  4. Step 4: Simplify right side
    826.11x = 735,919.18
  5. Step 5: Solve for x
    x = 735,919.18/826.11
  6. Step 6: Final answer
    x = 890.82

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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.