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Finding the Fourth Proportional to 338,900.88, 467,683.76 and 187,997.88

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Solution

The fourth proportional to 338,900.88, 467,683.76 and 187,997.88 is: 259,437.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,900.88 : 467,683.76 = 187,997.88 : x
  2. Step 2: Convert to fraction form
    338,900.88/467,683.76 = 187,997.88/x
  3. Step 3: Cross multiply
    338,900.88x = 467,683.76 × 187,997.88
  4. Step 4: Simplify right side
    338,900.88x = 87,923,555,390.43
  5. Step 5: Solve for x
    x = 87,923,555,390.43/338,900.88
  6. Step 6: Final answer
    x = 259,437.38

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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.