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Finding the Fourth Proportional to 444,163.10, 666,539.89 and 207,524.23

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Solution

The fourth proportional to 444,163.10, 666,539.89 and 207,524.23 is: 311,424.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,163.10 : 666,539.89 = 207,524.23 : x
  2. Step 2: Convert to fraction form
    444,163.10/666,539.89 = 207,524.23/x
  3. Step 3: Cross multiply
    444,163.10x = 666,539.89 × 207,524.23
  4. Step 4: Simplify right side
    444,163.10x = 138,323,175,251.37
  5. Step 5: Solve for x
    x = 138,323,175,251.37/444,163.10
  6. Step 6: Final answer
    x = 311,424.29

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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.