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Finding the Fourth Proportional to 466.08, 699.12 and 141.44

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Solution

The fourth proportional to 466.08, 699.12 and 141.44 is: 212.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    466.08 : 699.12 = 141.44 : x
  2. Step 2: Convert to fraction form
    466.08/699.12 = 141.44/x
  3. Step 3: Cross multiply
    466.08x = 699.12 × 141.44
  4. Step 4: Simplify right side
    466.08x = 98,883.53
  5. Step 5: Solve for x
    x = 98,883.53/466.08
  6. Step 6: Final answer
    x = 212.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.