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Finding the Fourth Proportional to 328,891.85, 493,296.77 and 92,252.98

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Solution

The fourth proportional to 328,891.85, 493,296.77 and 92,252.98 is: 138,367.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,891.85 : 493,296.77 = 92,252.98 : x
  2. Step 2: Convert to fraction form
    328,891.85/493,296.77 = 92,252.98/x
  3. Step 3: Cross multiply
    328,891.85x = 493,296.77 × 92,252.98
  4. Step 4: Simplify right side
    328,891.85x = 45,508,097,056.87
  5. Step 5: Solve for x
    x = 45,508,097,056.87/328,891.85
  6. Step 6: Final answer
    x = 138,367.97

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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.