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Finding the Fourth Proportional to 379,158.44, 568,329.42 and 201,486.56

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Solution

The fourth proportional to 379,158.44, 568,329.42 and 201,486.56 is: 302,012.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,158.44 : 568,329.42 = 201,486.56 : x
  2. Step 2: Convert to fraction form
    379,158.44/568,329.42 = 201,486.56/x
  3. Step 3: Cross multiply
    379,158.44x = 568,329.42 × 201,486.56
  4. Step 4: Simplify right side
    379,158.44x = 114,510,739,782.60
  5. Step 5: Solve for x
    x = 114,510,739,782.60/379,158.44
  6. Step 6: Final answer
    x = 302,012.90

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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.