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Finding the Fourth Proportional to 694.52, 1,041.76 and 181.52

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Solution

The fourth proportional to 694.52, 1,041.76 and 181.52 is: 272.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    694.52 : 1,041.76 = 181.52 : x
  2. Step 2: Convert to fraction form
    694.52/1,041.76 = 181.52/x
  3. Step 3: Cross multiply
    694.52x = 1,041.76 × 181.52
  4. Step 4: Simplify right side
    694.52x = 189,100.28
  5. Step 5: Solve for x
    x = 189,100.28/694.52
  6. Step 6: Final answer
    x = 272.27

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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.