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Finding the Fourth Proportional to 444,866.20, 667,299.30 and 370,070.80

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Solution

The fourth proportional to 444,866.20, 667,299.30 and 370,070.80 is: 555,106.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,866.20 : 667,299.30 = 370,070.80 : x
  2. Step 2: Convert to fraction form
    444,866.20/667,299.30 = 370,070.80/x
  3. Step 3: Cross multiply
    444,866.20x = 667,299.30 × 370,070.80
  4. Step 4: Simplify right side
    444,866.20x = 246,947,985,790.44
  5. Step 5: Solve for x
    x = 246,947,985,790.44/444,866.20
  6. Step 6: Final answer
    x = 555,106.20

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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.