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Finding the Fourth Proportional to 444,101.10, 664,207.65 and 397,056.30

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Solution

The fourth proportional to 444,101.10, 664,207.65 and 397,056.30 is: 593,846.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,101.10 : 664,207.65 = 397,056.30 : x
  2. Step 2: Convert to fraction form
    444,101.10/664,207.65 = 397,056.30/x
  3. Step 3: Cross multiply
    444,101.10x = 664,207.65 × 397,056.30
  4. Step 4: Simplify right side
    444,101.10x = 263,727,831,940.70
  5. Step 5: Solve for x
    x = 263,727,831,940.70/444,101.10
  6. Step 6: Final answer
    x = 593,846.38

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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.