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Finding the Fourth Proportional to 348.75, 482.18 and 333.45

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Solution

The fourth proportional to 348.75, 482.18 and 333.45 is: 461.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    348.75 : 482.18 = 333.45 : x
  2. Step 2: Convert to fraction form
    348.75/482.18 = 333.45/x
  3. Step 3: Cross multiply
    348.75x = 482.18 × 333.45
  4. Step 4: Simplify right side
    348.75x = 160,781.25
  5. Step 5: Solve for x
    x = 160,781.25/348.75
  6. Step 6: Final answer
    x = 461.02

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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.