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Finding the Fourth Proportional to 466.93, 644.23 and 301.08

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Solution

The fourth proportional to 466.93, 644.23 and 301.08 is: 415.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    466.93 : 644.23 = 301.08 : x
  2. Step 2: Convert to fraction form
    466.93/644.23 = 301.08/x
  3. Step 3: Cross multiply
    466.93x = 644.23 × 301.08
  4. Step 4: Simplify right side
    466.93x = 193,960.04
  5. Step 5: Solve for x
    x = 193,960.04/466.93
  6. Step 6: Final answer
    x = 415.40

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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.