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Finding the Fourth Proportional to 339,164.44, 467,779.86 and 300,443.68

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Solution

The fourth proportional to 339,164.44, 467,779.86 and 300,443.68 is: 414,375.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,164.44 : 467,779.86 = 300,443.68 : x
  2. Step 2: Convert to fraction form
    339,164.44/467,779.86 = 300,443.68/x
  3. Step 3: Cross multiply
    339,164.44x = 467,779.86 × 300,443.68
  4. Step 4: Simplify right side
    339,164.44x = 140,541,502,568.29
  5. Step 5: Solve for x
    x = 140,541,502,568.29/339,164.44
  6. Step 6: Final answer
    x = 414,375.70

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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.