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Finding the Fourth Proportional to 283,776.13, 425,664.20 and 269,586.15

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Solution

The fourth proportional to 283,776.13, 425,664.20 and 269,586.15 is: 404,379.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,776.13 : 425,664.20 = 269,586.15 : x
  2. Step 2: Convert to fraction form
    283,776.13/425,664.20 = 269,586.15/x
  3. Step 3: Cross multiply
    283,776.13x = 425,664.20 × 269,586.15
  4. Step 4: Simplify right side
    283,776.13x = 114,753,169,394.58
  5. Step 5: Solve for x
    x = 114,753,169,394.58/283,776.13
  6. Step 6: Final answer
    x = 404,379.22

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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.