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Finding the Fourth Proportional to 846, 1,167.94 and 531.36

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Solution

The fourth proportional to 846, 1,167.94 and 531.36 is: 733.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    846 : 1,167.94 = 531.36 : x
  2. Step 2: Convert to fraction form
    846/1,167.94 = 531.36/x
  3. Step 3: Cross multiply
    846x = 1,167.94 × 531.36
  4. Step 4: Simplify right side
    846x = 620,593.94
  5. Step 5: Solve for x
    x = 620,593.94/846
  6. Step 6: Final answer
    x = 733.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.