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Finding the Fourth Proportional to 382.60, 572.46 and 334.41

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Solution

The fourth proportional to 382.60, 572.46 and 334.41 is: 500.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    382.60 : 572.46 = 334.41 : x
  2. Step 2: Convert to fraction form
    382.60/572.46 = 334.41/x
  3. Step 3: Cross multiply
    382.60x = 572.46 × 334.41
  4. Step 4: Simplify right side
    382.60x = 191,436.35
  5. Step 5: Solve for x
    x = 191,436.35/382.60
  6. Step 6: Final answer
    x = 500.36

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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.