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Finding the Fourth Proportional to 300,519.72, 450,794.16 and 247,833

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Solution

The fourth proportional to 300,519.72, 450,794.16 and 247,833 is: 371,761.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,519.72 : 450,794.16 = 247,833 : x
  2. Step 2: Convert to fraction form
    300,519.72/450,794.16 = 247,833/x
  3. Step 3: Cross multiply
    300,519.72x = 450,794.16 × 247,833
  4. Step 4: Simplify right side
    300,519.72x = 111,721,669,055.28
  5. Step 5: Solve for x
    x = 111,721,669,055.28/300,519.72
  6. Step 6: Final answer
    x = 371,761.52

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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.