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Finding the Fourth Proportional to 362.24, 543.53 and 266.84

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Solution

The fourth proportional to 362.24, 543.53 and 266.84 is: 400.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    362.24 : 543.53 = 266.84 : x
  2. Step 2: Convert to fraction form
    362.24/543.53 = 266.84/x
  3. Step 3: Cross multiply
    362.24x = 543.53 × 266.84
  4. Step 4: Simplify right side
    362.24x = 145,033.49
  5. Step 5: Solve for x
    x = 145,033.49/362.24
  6. Step 6: Final answer
    x = 400.39

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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.