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Finding the Fourth Proportional to 309,505.33, 464,299.31 and 122,473.09

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Solution

The fourth proportional to 309,505.33, 464,299.31 and 122,473.09 is: 183,725.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,505.33 : 464,299.31 = 122,473.09 : x
  2. Step 2: Convert to fraction form
    309,505.33/464,299.31 = 122,473.09/x
  3. Step 3: Cross multiply
    309,505.33x = 464,299.31 × 122,473.09
  4. Step 4: Simplify right side
    309,505.33x = 56,864,171,180.57
  5. Step 5: Solve for x
    x = 56,864,171,180.57/309,505.33
  6. Step 6: Final answer
    x = 183,725.98

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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.