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Finding the Fourth Proportional to 329,796.41, 455,118.26 and 178,893.41

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Solution

The fourth proportional to 329,796.41, 455,118.26 and 178,893.41 is: 246,872.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,796.41 : 455,118.26 = 178,893.41 : x
  2. Step 2: Convert to fraction form
    329,796.41/455,118.26 = 178,893.41/x
  3. Step 3: Cross multiply
    329,796.41x = 455,118.26 × 178,893.41
  4. Step 4: Simplify right side
    329,796.41x = 81,417,654,314.61
  5. Step 5: Solve for x
    x = 81,417,654,314.61/329,796.41
  6. Step 6: Final answer
    x = 246,872.47

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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.