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Finding the Fourth Proportional to 464.44, 696.47 and 247.98

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Solution

The fourth proportional to 464.44, 696.47 and 247.98 is: 371.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    464.44 : 696.47 = 247.98 : x
  2. Step 2: Convert to fraction form
    464.44/696.47 = 247.98/x
  3. Step 3: Cross multiply
    464.44x = 696.47 × 247.98
  4. Step 4: Simplify right side
    464.44x = 172,710.63
  5. Step 5: Solve for x
    x = 172,710.63/464.44
  6. Step 6: Final answer
    x = 371.87

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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.