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Finding the Fourth Proportional to 273,469.17, 409,613.25 and 266,776.95

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Solution

The fourth proportional to 273,469.17, 409,613.25 and 266,776.95 is: 399,589.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,469.17 : 409,613.25 = 266,776.95 : x
  2. Step 2: Convert to fraction form
    273,469.17/409,613.25 = 266,776.95/x
  3. Step 3: Cross multiply
    273,469.17x = 409,613.25 × 266,776.95
  4. Step 4: Simplify right side
    273,469.17x = 109,275,373,514.59
  5. Step 5: Solve for x
    x = 109,275,373,514.59/273,469.17
  6. Step 6: Final answer
    x = 399,589.37

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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.