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Finding the Fourth Proportional to 329,125.30, 493,704.88 and 92,486.44

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Solution

The fourth proportional to 329,125.30, 493,704.88 and 92,486.44 is: 138,734.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,125.30 : 493,704.88 = 92,486.44 : x
  2. Step 2: Convert to fraction form
    329,125.30/493,704.88 = 92,486.44/x
  3. Step 3: Cross multiply
    329,125.30x = 493,704.88 × 92,486.44
  4. Step 4: Simplify right side
    329,125.30x = 45,661,006,761.83
  5. Step 5: Solve for x
    x = 45,661,006,761.83/329,125.30
  6. Step 6: Final answer
    x = 138,734.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.