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Finding the Fourth Proportional to 339,005.66, 467,817.26 and 186,039.91

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Solution

The fourth proportional to 339,005.66, 467,817.26 and 186,039.91 is: 256,729.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,005.66 : 467,817.26 = 186,039.91 : x
  2. Step 2: Convert to fraction form
    339,005.66/467,817.26 = 186,039.91/x
  3. Step 3: Cross multiply
    339,005.66x = 467,817.26 × 186,039.91
  4. Step 4: Simplify right side
    339,005.66x = 87,032,680,946.85
  5. Step 5: Solve for x
    x = 87,032,680,946.85/339,005.66
  6. Step 6: Final answer
    x = 256,729.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.