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Finding the Fourth Proportional to 466.17, 699.34 and 153.84

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Solution

The fourth proportional to 466.17, 699.34 and 153.84 is: 230.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    466.17 : 699.34 = 153.84 : x
  2. Step 2: Convert to fraction form
    466.17/699.34 = 153.84/x
  3. Step 3: Cross multiply
    466.17x = 699.34 × 153.84
  4. Step 4: Simplify right side
    466.17x = 107,583.16
  5. Step 5: Solve for x
    x = 107,583.16/466.17
  6. Step 6: Final answer
    x = 230.78

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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.