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Finding the Fourth Proportional to 300,610.90, 450,702.78 and 150,743.08

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Solution

The fourth proportional to 300,610.90, 450,702.78 and 150,743.08 is: 226,007.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,610.90 : 450,702.78 = 150,743.08 : x
  2. Step 2: Convert to fraction form
    300,610.90/450,702.78 = 150,743.08/x
  3. Step 3: Cross multiply
    300,610.90x = 450,702.78 × 150,743.08
  4. Step 4: Simplify right side
    300,610.90x = 67,940,325,221.76
  5. Step 5: Solve for x
    x = 67,940,325,221.76/300,610.90
  6. Step 6: Final answer
    x = 226,007.52

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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.