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Finding the Fourth Proportional to 379,012.56, 568,815.99 and 264,415.14

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Solution

The fourth proportional to 379,012.56, 568,815.99 and 264,415.14 is: 396,830.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,012.56 : 568,815.99 = 264,415.14 : x
  2. Step 2: Convert to fraction form
    379,012.56/568,815.99 = 264,415.14/x
  3. Step 3: Cross multiply
    379,012.56x = 568,815.99 × 264,415.14
  4. Step 4: Simplify right side
    379,012.56x = 150,403,559,630.09
  5. Step 5: Solve for x
    x = 150,403,559,630.09/379,012.56
  6. Step 6: Final answer
    x = 396,830.01

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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.