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Finding the Fourth Proportional to 696.25, 1,044.38 and 183.25

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Solution

The fourth proportional to 696.25, 1,044.38 and 183.25 is: 274.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    696.25 : 1,044.38 = 183.25 : x
  2. Step 2: Convert to fraction form
    696.25/1,044.38 = 183.25/x
  3. Step 3: Cross multiply
    696.25x = 1,044.38 × 183.25
  4. Step 4: Simplify right side
    696.25x = 191,382.64
  5. Step 5: Solve for x
    x = 191,382.64/696.25
  6. Step 6: Final answer
    x = 274.88

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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.