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Finding the Fourth Proportional to 266.84, 400.01 and 169.04

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Solution

The fourth proportional to 266.84, 400.01 and 169.04 is: 253.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    266.84 : 400.01 = 169.04 : x
  2. Step 2: Convert to fraction form
    266.84/400.01 = 169.04/x
  3. Step 3: Cross multiply
    266.84x = 400.01 × 169.04
  4. Step 4: Simplify right side
    266.84x = 67,614.85
  5. Step 5: Solve for x
    x = 67,614.85/266.84
  6. Step 6: Final answer
    x = 253.40

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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.