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Finding the Fourth Proportional to 328,906.98, 453,814.65 and 192,933.90

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Solution

The fourth proportional to 328,906.98, 453,814.65 and 192,933.90 is: 266,203.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,906.98 : 453,814.65 = 192,933.90 : x
  2. Step 2: Convert to fraction form
    328,906.98/453,814.65 = 192,933.90/x
  3. Step 3: Cross multiply
    328,906.98x = 453,814.65 × 192,933.90
  4. Step 4: Simplify right side
    328,906.98x = 87,556,230,301.64
  5. Step 5: Solve for x
    x = 87,556,230,301.64/328,906.98
  6. Step 6: Final answer
    x = 266,203.62

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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.