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Finding the Fourth Proportional to 338,668.94, 467,378.31 and 193,487.42

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Solution

The fourth proportional to 338,668.94, 467,378.31 and 193,487.42 is: 267,021.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,668.94 : 467,378.31 = 193,487.42 : x
  2. Step 2: Convert to fraction form
    338,668.94/467,378.31 = 193,487.42/x
  3. Step 3: Cross multiply
    338,668.94x = 467,378.31 × 193,487.42
  4. Step 4: Simplify right side
    338,668.94x = 90,431,823,365.86
  5. Step 5: Solve for x
    x = 90,431,823,365.86/338,668.94
  6. Step 6: Final answer
    x = 267,021.31

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1.5x scale

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.