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Finding the Fourth Proportional to 338,644.50, 467,343.99 and 187,741.50

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Solution

The fourth proportional to 338,644.50, 467,343.99 and 187,741.50 is: 259,091.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,644.50 : 467,343.99 = 187,741.50 : x
  2. Step 2: Convert to fraction form
    338,644.50/467,343.99 = 187,741.50/x
  3. Step 3: Cross multiply
    338,644.50x = 467,343.99 × 187,741.50
  4. Step 4: Simplify right side
    338,644.50x = 87,739,861,698.59
  5. Step 5: Solve for x
    x = 87,739,861,698.59/338,644.50
  6. Step 6: Final answer
    x = 259,091.35

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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.