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Finding the Fourth Proportional to 466.41, 699.53 and 141.74

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Solution

The fourth proportional to 466.41, 699.53 and 141.74 is: 212.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    466.41 : 699.53 = 141.74 : x
  2. Step 2: Convert to fraction form
    466.41/699.53 = 141.74/x
  3. Step 3: Cross multiply
    466.41x = 699.53 × 141.74
  4. Step 4: Simplify right side
    466.41x = 99,147.18
  5. Step 5: Solve for x
    x = 99,147.18/466.41
  6. Step 6: Final answer
    x = 212.58

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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.