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Finding the Fourth Proportional to 283,776.63, 425,664.95 and 269,586.65

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Solution

The fourth proportional to 283,776.63, 425,664.95 and 269,586.65 is: 404,379.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,776.63 : 425,664.95 = 269,586.65 : x
  2. Step 2: Convert to fraction form
    283,776.63/425,664.95 = 269,586.65/x
  3. Step 3: Cross multiply
    283,776.63x = 425,664.95 × 269,586.65
  4. Step 4: Simplify right side
    283,776.63x = 114,753,584,416.66
  5. Step 5: Solve for x
    x = 114,753,584,416.66/283,776.63
  6. Step 6: Final answer
    x = 404,379.97

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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.