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Finding the Fourth Proportional to 466.57, 699.90 and 141.94

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Solution

The fourth proportional to 466.57, 699.90 and 141.94 is: 212.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    466.57 : 699.90 = 141.94 : x
  2. Step 2: Convert to fraction form
    466.57/699.90 = 141.94/x
  3. Step 3: Cross multiply
    466.57x = 699.90 × 141.94
  4. Step 4: Simplify right side
    466.57x = 99,343.81
  5. Step 5: Solve for x
    x = 99,343.81/466.57
  6. Step 6: Final answer
    x = 212.92

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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.