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Finding the Fourth Proportional to 350.81, 484.43 and 263.94

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Solution

The fourth proportional to 350.81, 484.43 and 263.94 is: 364.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    350.81 : 484.43 = 263.94 : x
  2. Step 2: Convert to fraction form
    350.81/484.43 = 263.94/x
  3. Step 3: Cross multiply
    350.81x = 484.43 × 263.94
  4. Step 4: Simplify right side
    350.81x = 127,859.13
  5. Step 5: Solve for x
    x = 127,859.13/350.81
  6. Step 6: Final answer
    x = 364.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.