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Finding the Fourth Proportional to 348.94, 481.50 and 265.84

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Solution

The fourth proportional to 348.94, 481.50 and 265.84 is: 366.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    348.94 : 481.50 = 265.84 : x
  2. Step 2: Convert to fraction form
    348.94/481.50 = 265.84/x
  3. Step 3: Cross multiply
    348.94x = 481.50 × 265.84
  4. Step 4: Simplify right side
    348.94x = 128,001.96
  5. Step 5: Solve for x
    x = 128,001.96/348.94
  6. Step 6: Final answer
    x = 366.83

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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.