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Finding the Fourth Proportional to 404,234.70, 606,354.15 and 104,694.30

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Solution

The fourth proportional to 404,234.70, 606,354.15 and 104,694.30 is: 157,041.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,234.70 : 606,354.15 = 104,694.30 : x
  2. Step 2: Convert to fraction form
    404,234.70/606,354.15 = 104,694.30/x
  3. Step 3: Cross multiply
    404,234.70x = 606,354.15 × 104,694.30
  4. Step 4: Simplify right side
    404,234.70x = 63,481,823,286.35
  5. Step 5: Solve for x
    x = 63,481,823,286.35/404,234.70
  6. Step 6: Final answer
    x = 157,041.99

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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.