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Finding the Fourth Proportional to 444,238.78, 666,347.10 and 207,845.95

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Solution

The fourth proportional to 444,238.78, 666,347.10 and 207,845.95 is: 311,763.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,238.78 : 666,347.10 = 207,845.95 : x
  2. Step 2: Convert to fraction form
    444,238.78/666,347.10 = 207,845.95/x
  3. Step 3: Cross multiply
    444,238.78x = 666,347.10 × 207,845.95
  4. Step 4: Simplify right side
    444,238.78x = 138,497,543,583.96
  5. Step 5: Solve for x
    x = 138,497,543,583.96/444,238.78
  6. Step 6: Final answer
    x = 311,763.74

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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.