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Finding the Fourth Proportional to 264.49, 396.83 and 154.84

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Solution

The fourth proportional to 264.49, 396.83 and 154.84 is: 232.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    264.49 : 396.83 = 154.84 : x
  2. Step 2: Convert to fraction form
    264.49/396.83 = 154.84/x
  3. Step 3: Cross multiply
    264.49x = 396.83 × 154.84
  4. Step 4: Simplify right side
    264.49x = 61,445.91
  5. Step 5: Solve for x
    x = 61,445.91/264.49
  6. Step 6: Final answer
    x = 232.32

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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.