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Finding the Fourth Proportional to 273.92, 411.01 and 176.38

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Solution

The fourth proportional to 273.92, 411.01 and 176.38 is: 264.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    273.92 : 411.01 = 176.38 : x
  2. Step 2: Convert to fraction form
    273.92/411.01 = 176.38/x
  3. Step 3: Cross multiply
    273.92x = 411.01 × 176.38
  4. Step 4: Simplify right side
    273.92x = 72,492.48
  5. Step 5: Solve for x
    x = 72,492.48/273.92
  6. Step 6: Final answer
    x = 264.65

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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.