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Finding the Fourth Proportional to 467.44, 644.06 and 401.04

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Solution

The fourth proportional to 467.44, 644.06 and 401.04 is: 552.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    467.44 : 644.06 = 401.04 : x
  2. Step 2: Convert to fraction form
    467.44/644.06 = 401.04/x
  3. Step 3: Cross multiply
    467.44x = 644.06 × 401.04
  4. Step 4: Simplify right side
    467.44x = 258,293.82
  5. Step 5: Solve for x
    x = 258,293.82/467.44
  6. Step 6: Final answer
    x = 552.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.