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Finding the Fourth Proportional to 273.86, 411.17 and 176.51

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Solution

The fourth proportional to 273.86, 411.17 and 176.51 is: 265.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    273.86 : 411.17 = 176.51 : x
  2. Step 2: Convert to fraction form
    273.86/411.17 = 176.51/x
  3. Step 3: Cross multiply
    273.86x = 411.17 × 176.51
  4. Step 4: Simplify right side
    273.86x = 72,572.68
  5. Step 5: Solve for x
    x = 72,572.68/273.86
  6. Step 6: Final answer
    x = 265.00

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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.