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Finding the Fourth Proportional to 467.26, 644.81 and 268.12

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Solution

The fourth proportional to 467.26, 644.81 and 268.12 is: 370.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    467.26 : 644.81 = 268.12 : x
  2. Step 2: Convert to fraction form
    467.26/644.81 = 268.12/x
  3. Step 3: Cross multiply
    467.26x = 644.81 × 268.12
  4. Step 4: Simplify right side
    467.26x = 172,885.12
  5. Step 5: Solve for x
    x = 172,885.12/467.26
  6. Step 6: Final answer
    x = 370.00

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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.