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Finding the Fourth Proportional to 444,239.78, 666,348.60 and 207,846.95

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Solution

The fourth proportional to 444,239.78, 666,348.60 and 207,846.95 is: 311,765.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,239.78 : 666,348.60 = 207,846.95 : x
  2. Step 2: Convert to fraction form
    444,239.78/666,348.60 = 207,846.95/x
  3. Step 3: Cross multiply
    444,239.78x = 666,348.60 × 207,846.95
  4. Step 4: Simplify right side
    444,239.78x = 138,498,524,146.77
  5. Step 5: Solve for x
    x = 138,498,524,146.77/444,239.78
  6. Step 6: Final answer
    x = 311,765.25

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1.5x scale

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.