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Finding the Fourth Proportional to 338,632.49, 467,313.50 and 187,729.49

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Solution

The fourth proportional to 338,632.49, 467,313.50 and 187,729.49 is: 259,067.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,632.49 : 467,313.50 = 187,729.49 : x
  2. Step 2: Convert to fraction form
    338,632.49/467,313.50 = 187,729.49/x
  3. Step 3: Cross multiply
    338,632.49x = 467,313.50 × 187,729.49
  4. Step 4: Simplify right side
    338,632.49x = 87,728,525,025.12
  5. Step 5: Solve for x
    x = 87,728,525,025.12/338,632.49
  6. Step 6: Final answer
    x = 259,067.06

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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.