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Finding the Fourth Proportional to 695.50, 1,043.26 and 182.50

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Solution

The fourth proportional to 695.50, 1,043.26 and 182.50 is: 273.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    695.50 : 1,043.26 = 182.50 : x
  2. Step 2: Convert to fraction form
    695.50/1,043.26 = 182.50/x
  3. Step 3: Cross multiply
    695.50x = 1,043.26 × 182.50
  4. Step 4: Simplify right side
    695.50x = 190,394.95
  5. Step 5: Solve for x
    x = 190,394.95/695.50
  6. Step 6: Final answer
    x = 273.75

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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.