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Finding the Fourth Proportional to 444,822, 665,558.88 and 311,961.60

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Solution

The fourth proportional to 444,822, 665,558.88 and 311,961.60 is: 466,768.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,822 : 665,558.88 = 311,961.60 : x
  2. Step 2: Convert to fraction form
    444,822/665,558.88 = 311,961.60/x
  3. Step 3: Cross multiply
    444,822x = 665,558.88 × 311,961.60
  4. Step 4: Simplify right side
    444,822x = 207,628,813,099.01
  5. Step 5: Solve for x
    x = 207,628,813,099.01/444,822
  6. Step 6: Final answer
    x = 466,768.31

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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.