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Finding the Fourth Proportional to 264.34, 396.51 and 250.30

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Solution

The fourth proportional to 264.34, 396.51 and 250.30 is: 375.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    264.34 : 396.51 = 250.30 : x
  2. Step 2: Convert to fraction form
    264.34/396.51 = 250.30/x
  3. Step 3: Cross multiply
    264.34x = 396.51 × 250.30
  4. Step 4: Simplify right side
    264.34x = 99,246.45
  5. Step 5: Solve for x
    x = 99,246.45/264.34
  6. Step 6: Final answer
    x = 375.45

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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.