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Finding the Fourth Proportional to 605,323.98, 835,334.91 and 379,094.22

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Solution

The fourth proportional to 605,323.98, 835,334.91 and 379,094.22 is: 523,142.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,323.98 : 835,334.91 = 379,094.22 : x
  2. Step 2: Convert to fraction form
    605,323.98/835,334.91 = 379,094.22/x
  3. Step 3: Cross multiply
    605,323.98x = 835,334.91 × 379,094.22
  4. Step 4: Simplify right side
    605,323.98x = 316,670,636,145.22
  5. Step 5: Solve for x
    x = 316,670,636,145.22/605,323.98
  6. Step 6: Final answer
    x = 523,142.39

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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.