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Finding the Fourth Proportional to 467.08, 644.28 and 336.26

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Solution

The fourth proportional to 467.08, 644.28 and 336.26 is: 463.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    467.08 : 644.28 = 336.26 : x
  2. Step 2: Convert to fraction form
    467.08/644.28 = 336.26/x
  3. Step 3: Cross multiply
    467.08x = 644.28 × 336.26
  4. Step 4: Simplify right side
    467.08x = 216,645.59
  5. Step 5: Solve for x
    x = 216,645.59/467.08
  6. Step 6: Final answer
    x = 463.83

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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.