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Finding the Fourth Proportional to 348.69, 480.93 and 333.18

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Solution

The fourth proportional to 348.69, 480.93 and 333.18 is: 459.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    348.69 : 480.93 = 333.18 : x
  2. Step 2: Convert to fraction form
    348.69/480.93 = 333.18/x
  3. Step 3: Cross multiply
    348.69x = 480.93 × 333.18
  4. Step 4: Simplify right side
    348.69x = 160,236.26
  5. Step 5: Solve for x
    x = 160,236.26/348.69
  6. Step 6: Final answer
    x = 459.54

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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.