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Finding the Fourth Proportional to 444,509.80, 667,056.30 and 254,969.80

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Solution

The fourth proportional to 444,509.80, 667,056.30 and 254,969.80 is: 382,621.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,509.80 : 667,056.30 = 254,969.80 : x
  2. Step 2: Convert to fraction form
    444,509.80/667,056.30 = 254,969.80/x
  3. Step 3: Cross multiply
    444,509.80x = 667,056.30 × 254,969.80
  4. Step 4: Simplify right side
    444,509.80x = 170,079,211,399.74
  5. Step 5: Solve for x
    x = 170,079,211,399.74/444,509.80
  6. Step 6: Final answer
    x = 382,621.96

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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.