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Finding the Fourth Proportional to 395,865.80, 546,367.92 and 226,099.92

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Solution

The fourth proportional to 395,865.80, 546,367.92 and 226,099.92 is: 312,059.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,865.80 : 546,367.92 = 226,099.92 : x
  2. Step 2: Convert to fraction form
    395,865.80/546,367.92 = 226,099.92/x
  3. Step 3: Cross multiply
    395,865.80x = 546,367.92 × 226,099.92
  4. Step 4: Simplify right side
    395,865.80x = 123,533,743,002.57
  5. Step 5: Solve for x
    x = 123,533,743,002.57/395,865.80
  6. Step 6: Final answer
    x = 312,059.65

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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.