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Finding the Fourth Proportional to 382.46, 573.12 and 341.24

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Solution

The fourth proportional to 382.46, 573.12 and 341.24 is: 511.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    382.46 : 573.12 = 341.24 : x
  2. Step 2: Convert to fraction form
    382.46/573.12 = 341.24/x
  3. Step 3: Cross multiply
    382.46x = 573.12 × 341.24
  4. Step 4: Simplify right side
    382.46x = 195,571.47
  5. Step 5: Solve for x
    x = 195,571.47/382.46
  6. Step 6: Final answer
    x = 511.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.