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Finding the Fourth Proportional to 466.23, 699.15 and 141.53

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Solution

The fourth proportional to 466.23, 699.15 and 141.53 is: 212.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    466.23 : 699.15 = 141.53 : x
  2. Step 2: Convert to fraction form
    466.23/699.15 = 141.53/x
  3. Step 3: Cross multiply
    466.23x = 699.15 × 141.53
  4. Step 4: Simplify right side
    466.23x = 98,947.20
  5. Step 5: Solve for x
    x = 98,947.20/466.23
  6. Step 6: Final answer
    x = 212.23

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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.