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Finding the Fourth Proportional to 696.41, 1,044.58 and 202.82

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Solution

The fourth proportional to 696.41, 1,044.58 and 202.82 is: 304.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    696.41 : 1,044.58 = 202.82 : x
  2. Step 2: Convert to fraction form
    696.41/1,044.58 = 202.82/x
  3. Step 3: Cross multiply
    696.41x = 1,044.58 × 202.82
  4. Step 4: Simplify right side
    696.41x = 211,855.48
  5. Step 5: Solve for x
    x = 211,855.48/696.41
  6. Step 6: Final answer
    x = 304.21

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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.