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Finding the Fourth Proportional to 466.14, 699.31 and 141.53

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Solution

The fourth proportional to 466.14, 699.31 and 141.53 is: 212.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    466.14 : 699.31 = 141.53 : x
  2. Step 2: Convert to fraction form
    466.14/699.31 = 141.53/x
  3. Step 3: Cross multiply
    466.14x = 699.31 × 141.53
  4. Step 4: Simplify right side
    466.14x = 98,969.14
  5. Step 5: Solve for x
    x = 98,969.14/466.14
  6. Step 6: Final answer
    x = 212.32

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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.