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Finding the Fourth Proportional to 606,999.56, 910,266.06 and 419,442.44

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Solution

The fourth proportional to 606,999.56, 910,266.06 and 419,442.44 is: 629,002.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,999.56 : 910,266.06 = 419,442.44 : x
  2. Step 2: Convert to fraction form
    606,999.56/910,266.06 = 419,442.44/x
  3. Step 3: Cross multiply
    606,999.56x = 910,266.06 × 419,442.44
  4. Step 4: Simplify right side
    606,999.56x = 381,804,217,255.59
  5. Step 5: Solve for x
    x = 381,804,217,255.59/606,999.56
  6. Step 6: Final answer
    x = 629,002.46

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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.