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Finding the Fourth Proportional to 274,108.86, 410,524.61 and 266,541.84

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Solution

The fourth proportional to 274,108.86, 410,524.61 and 266,541.84 is: 399,191.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,108.86 : 410,524.61 = 266,541.84 : x
  2. Step 2: Convert to fraction form
    274,108.86/410,524.61 = 266,541.84/x
  3. Step 3: Cross multiply
    274,108.86x = 410,524.61 × 266,541.84
  4. Step 4: Simplify right side
    274,108.86x = 109,421,983,581.97
  5. Step 5: Solve for x
    x = 109,421,983,581.97/274,108.86
  6. Step 6: Final answer
    x = 399,191.71

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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.