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Finding the Fourth Proportional to 834.60, 1,167 and 834.60

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Solution

The fourth proportional to 834.60, 1,167 and 834.60 is: 1,167

Step by Step Solution

  1. Step 1: Write the proportion equation
    834.60 : 1,167 = 834.60 : x
  2. Step 2: Convert to fraction form
    834.60/1,167 = 834.60/x
  3. Step 3: Cross multiply
    834.60x = 1,167 × 834.60
  4. Step 4: Simplify right side
    834.60x = 973,978.20
  5. Step 5: Solve for x
    x = 973,978.20/834.60
  6. Step 6: Final answer
    x = 1,167

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.