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Finding the Fourth Proportional to 348,846.80, 522,233.40 and 230,651.60

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Solution

The fourth proportional to 348,846.80, 522,233.40 and 230,651.60 is: 345,291.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,846.80 : 522,233.40 = 230,651.60 : x
  2. Step 2: Convert to fraction form
    348,846.80/522,233.40 = 230,651.60/x
  3. Step 3: Cross multiply
    348,846.80x = 522,233.40 × 230,651.60
  4. Step 4: Simplify right side
    348,846.80x = 120,453,969,283.44
  5. Step 5: Solve for x
    x = 120,453,969,283.44/348,846.80
  6. Step 6: Final answer
    x = 345,291.89

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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.