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Finding the Fourth Proportional to 338,540, 467,200.44 and 193,358.40

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Solution

The fourth proportional to 338,540, 467,200.44 and 193,358.40 is: 266,843.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,540 : 467,200.44 = 193,358.40 : x
  2. Step 2: Convert to fraction form
    338,540/467,200.44 = 193,358.40/x
  3. Step 3: Cross multiply
    338,540x = 467,200.44 × 193,358.40
  4. Step 4: Simplify right side
    338,540x = 90,337,129,557.70
  5. Step 5: Solve for x
    x = 90,337,129,557.70/338,540
  6. Step 6: Final answer
    x = 266,843.30

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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.