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Finding the Fourth Proportional to 397,350.58, 548,119.37 and 236,257.58

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Solution

The fourth proportional to 397,350.58, 548,119.37 and 236,257.58 is: 325,902.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,350.58 : 548,119.37 = 236,257.58 : x
  2. Step 2: Convert to fraction form
    397,350.58/548,119.37 = 236,257.58/x
  3. Step 3: Cross multiply
    397,350.58x = 548,119.37 × 236,257.58
  4. Step 4: Simplify right side
    397,350.58x = 129,497,355,907.33
  5. Step 5: Solve for x
    x = 129,497,355,907.33/397,350.58
  6. Step 6: Final answer
    x = 325,902.02

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.