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Finding the Fourth Proportional to 454,992.70, 682,907.94 and 230,509.30

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Solution

The fourth proportional to 454,992.70, 682,907.94 and 230,509.30 is: 345,976.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,992.70 : 682,907.94 = 230,509.30 : x
  2. Step 2: Convert to fraction form
    454,992.70/682,907.94 = 230,509.30/x
  3. Step 3: Cross multiply
    454,992.70x = 682,907.94 × 230,509.30
  4. Step 4: Simplify right side
    454,992.70x = 157,416,631,213.84
  5. Step 5: Solve for x
    x = 157,416,631,213.84/454,992.70
  6. Step 6: Final answer
    x = 345,976.17

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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.