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Finding the Fourth Proportional to 466.05, 698.98 and 141.38

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Solution

The fourth proportional to 466.05, 698.98 and 141.38 is: 212.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    466.05 : 698.98 = 141.38 : x
  2. Step 2: Convert to fraction form
    466.05/698.98 = 141.38/x
  3. Step 3: Cross multiply
    466.05x = 698.98 × 141.38
  4. Step 4: Simplify right side
    466.05x = 98,821.79
  5. Step 5: Solve for x
    x = 98,821.79/466.05
  6. Step 6: Final answer
    x = 212.04

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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.