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Finding the Fourth Proportional to 348.95, 482.45 and 333.65

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Solution

The fourth proportional to 348.95, 482.45 and 333.65 is: 461.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    348.95 : 482.45 = 333.65 : x
  2. Step 2: Convert to fraction form
    348.95/482.45 = 333.65/x
  3. Step 3: Cross multiply
    348.95x = 482.45 × 333.65
  4. Step 4: Simplify right side
    348.95x = 160,965.36
  5. Step 5: Solve for x
    x = 160,965.36/348.95
  6. Step 6: Final answer
    x = 461.29

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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.