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Finding the Fourth Proportional to 264.01, 396.14 and 187.46

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Solution

The fourth proportional to 264.01, 396.14 and 187.46 is: 281.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    264.01 : 396.14 = 187.46 : x
  2. Step 2: Convert to fraction form
    264.01/396.14 = 187.46/x
  3. Step 3: Cross multiply
    264.01x = 396.14 × 187.46
  4. Step 4: Simplify right side
    264.01x = 74,260.40
  5. Step 5: Solve for x
    x = 74,260.40/264.01
  6. Step 6: Final answer
    x = 281.28

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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.