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Finding the Fourth Proportional to 967.73, 1,453.37 and 505.82

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Solution

The fourth proportional to 967.73, 1,453.37 and 505.82 is: 759.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    967.73 : 1,453.37 = 505.82 : x
  2. Step 2: Convert to fraction form
    967.73/1,453.37 = 505.82/x
  3. Step 3: Cross multiply
    967.73x = 1,453.37 × 505.82
  4. Step 4: Simplify right side
    967.73x = 735,133.82
  5. Step 5: Solve for x
    x = 735,133.82/967.73
  6. Step 6: Final answer
    x = 759.65

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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.