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Finding the Fourth Proportional to 269,379.64, 404,071.50 and 119,579.68

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Solution

The fourth proportional to 269,379.64, 404,071.50 and 119,579.68 is: 179,370.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,379.64 : 404,071.50 = 119,579.68 : x
  2. Step 2: Convert to fraction form
    269,379.64/404,071.50 = 119,579.68/x
  3. Step 3: Cross multiply
    269,379.64x = 404,071.50 × 119,579.68
  4. Step 4: Simplify right side
    269,379.64x = 48,318,740,667.12
  5. Step 5: Solve for x
    x = 48,318,740,667.12/269,379.64
  6. Step 6: Final answer
    x = 179,370.43

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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.