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Finding the Fourth Proportional to 467.26, 644.81 and 265.37

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Solution

The fourth proportional to 467.26, 644.81 and 265.37 is: 366.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    467.26 : 644.81 = 265.37 : x
  2. Step 2: Convert to fraction form
    467.26/644.81 = 265.37/x
  3. Step 3: Cross multiply
    467.26x = 644.81 × 265.37
  4. Step 4: Simplify right side
    467.26x = 171,113.23
  5. Step 5: Solve for x
    x = 171,113.23/467.26
  6. Step 6: Final answer
    x = 366.21

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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.