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Finding the Fourth Proportional to 300,736.68, 450,963.72 and 174,412.80

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Solution

The fourth proportional to 300,736.68, 450,963.72 and 174,412.80 is: 261,537.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,736.68 : 450,963.72 = 174,412.80 : x
  2. Step 2: Convert to fraction form
    300,736.68/450,963.72 = 174,412.80/x
  3. Step 3: Cross multiply
    300,736.68x = 450,963.72 × 174,412.80
  4. Step 4: Simplify right side
    300,736.68x = 78,653,845,103.62
  5. Step 5: Solve for x
    x = 78,653,845,103.62/300,736.68
  6. Step 6: Final answer
    x = 261,537.25

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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.