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Finding the Fourth Proportional to 264.59, 396.90 and 176.54

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Solution

The fourth proportional to 264.59, 396.90 and 176.54 is: 264.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    264.59 : 396.90 = 176.54 : x
  2. Step 2: Convert to fraction form
    264.59/396.90 = 176.54/x
  3. Step 3: Cross multiply
    264.59x = 396.90 × 176.54
  4. Step 4: Simplify right side
    264.59x = 70,069.72
  5. Step 5: Solve for x
    x = 70,069.72/264.59
  6. Step 6: Final answer
    x = 264.83

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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.