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Finding the Fourth Proportional to 264.70, 396.87 and 183.34

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Solution

The fourth proportional to 264.70, 396.87 and 183.34 is: 274.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    264.70 : 396.87 = 183.34 : x
  2. Step 2: Convert to fraction form
    264.70/396.87 = 183.34/x
  3. Step 3: Cross multiply
    264.70x = 396.87 × 183.34
  4. Step 4: Simplify right side
    264.70x = 72,762.15
  5. Step 5: Solve for x
    x = 72,762.15/264.70
  6. Step 6: Final answer
    x = 274.89

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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.