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Finding the Fourth Proportional to 466.58, 644.37 and 292.02

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Solution

The fourth proportional to 466.58, 644.37 and 292.02 is: 403.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    466.58 : 644.37 = 292.02 : x
  2. Step 2: Convert to fraction form
    466.58/644.37 = 292.02/x
  3. Step 3: Cross multiply
    466.58x = 644.37 × 292.02
  4. Step 4: Simplify right side
    466.58x = 188,168.93
  5. Step 5: Solve for x
    x = 188,168.93/466.58
  6. Step 6: Final answer
    x = 403.29

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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.