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Finding the Fourth Proportional to 695.69, 1,043.53 and 182.69

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Solution

The fourth proportional to 695.69, 1,043.53 and 182.69 is: 274.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    695.69 : 1,043.53 = 182.69 : x
  2. Step 2: Convert to fraction form
    695.69/1,043.53 = 182.69/x
  3. Step 3: Cross multiply
    695.69x = 1,043.53 × 182.69
  4. Step 4: Simplify right side
    695.69x = 190,642.50
  5. Step 5: Solve for x
    x = 190,642.50/695.69
  6. Step 6: Final answer
    x = 274.03

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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.