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Finding the Fourth Proportional to 300,418.91, 414,578.62 and 164,452.94

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Solution

The fourth proportional to 300,418.91, 414,578.62 and 164,452.94 is: 226,945.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,418.91 : 414,578.62 = 164,452.94 : x
  2. Step 2: Convert to fraction form
    300,418.91/414,578.62 = 164,452.94/x
  3. Step 3: Cross multiply
    300,418.91x = 414,578.62 × 164,452.94
  4. Step 4: Simplify right side
    300,418.91x = 68,178,672,097.88
  5. Step 5: Solve for x
    x = 68,178,672,097.88/300,418.91
  6. Step 6: Final answer
    x = 226,945.34

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1.5x scale

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.