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Finding the Fourth Proportional to 605,329.98, 835,343.19 and 379,100.22

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Solution

The fourth proportional to 605,329.98, 835,343.19 and 379,100.22 is: 523,150.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,329.98 : 835,343.19 = 379,100.22 : x
  2. Step 2: Convert to fraction form
    605,329.98/835,343.19 = 379,100.22/x
  3. Step 3: Cross multiply
    605,329.98x = 835,343.19 × 379,100.22
  4. Step 4: Simplify right side
    605,329.98x = 316,678,787,104.50
  5. Step 5: Solve for x
    x = 316,678,787,104.50/605,329.98
  6. Step 6: Final answer
    x = 523,150.67

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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.