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Finding the Fourth Proportional to 328,910.41, 453,909.41 and 185,675.41

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Solution

The fourth proportional to 328,910.41, 453,909.41 and 185,675.41 is: 256,239.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,910.41 : 453,909.41 = 185,675.41 : x
  2. Step 2: Convert to fraction form
    328,910.41/453,909.41 = 185,675.41/x
  3. Step 3: Cross multiply
    328,910.41x = 453,909.41 × 185,675.41
  4. Step 4: Simplify right side
    328,910.41x = 84,279,815,804.61
  5. Step 5: Solve for x
    x = 84,279,815,804.61/328,910.41
  6. Step 6: Final answer
    x = 256,239.43

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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.