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Finding the Fourth Proportional to 395,701.62, 546,056.37 and 225,902.58

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Solution

The fourth proportional to 395,701.62, 546,056.37 and 225,902.58 is: 311,738.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,701.62 : 546,056.37 = 225,902.58 : x
  2. Step 2: Convert to fraction form
    395,701.62/546,056.37 = 225,902.58/x
  3. Step 3: Cross multiply
    395,701.62x = 546,056.37 × 225,902.58
  4. Step 4: Simplify right side
    395,701.62x = 123,355,542,808.44
  5. Step 5: Solve for x
    x = 123,355,542,808.44/395,701.62
  6. Step 6: Final answer
    x = 311,738.79

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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.