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Finding the Fourth Proportional to 467.16, 644.55 and 301.24

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Solution

The fourth proportional to 467.16, 644.55 and 301.24 is: 415.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    467.16 : 644.55 = 301.24 : x
  2. Step 2: Convert to fraction form
    467.16/644.55 = 301.24/x
  3. Step 3: Cross multiply
    467.16x = 644.55 × 301.24
  4. Step 4: Simplify right side
    467.16x = 194,161.02
  5. Step 5: Solve for x
    x = 194,161.02/467.16
  6. Step 6: Final answer
    x = 415.62

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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.