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Finding the Fourth Proportional to 273,453.48, 409,589.72 and 266,761.26

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Solution

The fourth proportional to 273,453.48, 409,589.72 and 266,761.26 is: 399,565.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,453.48 : 409,589.72 = 266,761.26 : x
  2. Step 2: Convert to fraction form
    273,453.48/409,589.72 = 266,761.26/x
  3. Step 3: Cross multiply
    273,453.48x = 409,589.72 × 266,761.26
  4. Step 4: Simplify right side
    273,453.48x = 109,262,669,790.25
  5. Step 5: Solve for x
    x = 109,262,669,790.25/273,453.48
  6. Step 6: Final answer
    x = 399,565.84

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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.