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Finding the Fourth Proportional to 366, 547.74 and 250.30

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Solution

The fourth proportional to 366, 547.74 and 250.30 is: 374.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    366 : 547.74 = 250.30 : x
  2. Step 2: Convert to fraction form
    366/547.74 = 250.30/x
  3. Step 3: Cross multiply
    366x = 547.74 × 250.30
  4. Step 4: Simplify right side
    366x = 137,099.32
  5. Step 5: Solve for x
    x = 137,099.32/366
  6. Step 6: Final answer
    x = 374.59

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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.