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Finding the Fourth Proportional to 436,080.70, 654,121.05 and 236,496.70

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Solution

The fourth proportional to 436,080.70, 654,121.05 and 236,496.70 is: 354,745.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,080.70 : 654,121.05 = 236,496.70 : x
  2. Step 2: Convert to fraction form
    436,080.70/654,121.05 = 236,496.70/x
  3. Step 3: Cross multiply
    436,080.70x = 654,121.05 × 236,496.70
  4. Step 4: Simplify right side
    436,080.70x = 154,697,469,725.54
  5. Step 5: Solve for x
    x = 154,697,469,725.54/436,080.70
  6. Step 6: Final answer
    x = 354,745.05

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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.