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Finding the Fourth Proportional to 444,121.48, 664,884.37 and 330,772.01

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Solution

The fourth proportional to 444,121.48, 664,884.37 and 330,772.01 is: 495,191.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,121.48 : 664,884.37 = 330,772.01 : x
  2. Step 2: Convert to fraction form
    444,121.48/664,884.37 = 330,772.01/x
  3. Step 3: Cross multiply
    444,121.48x = 664,884.37 × 330,772.01
  4. Step 4: Simplify right side
    444,121.48x = 219,925,134,710.93
  5. Step 5: Solve for x
    x = 219,925,134,710.93/444,121.48
  6. Step 6: Final answer
    x = 495,191.39

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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.