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Finding the Fourth Proportional to 462.98, 694.50 and 133.95

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Solution

The fourth proportional to 462.98, 694.50 and 133.95 is: 200.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    462.98 : 694.50 = 133.95 : x
  2. Step 2: Convert to fraction form
    462.98/694.50 = 133.95/x
  3. Step 3: Cross multiply
    462.98x = 694.50 × 133.95
  4. Step 4: Simplify right side
    462.98x = 93,028.28
  5. Step 5: Solve for x
    x = 93,028.28/462.98
  6. Step 6: Final answer
    x = 200.93

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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.