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Finding the Fourth Proportional to 297,804,014.80, 445,824,223.80 and 221,465,467.60

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Solution

The fourth proportional to 297,804,014.80, 445,824,223.80 and 221,465,467.60 is: 331,542,441.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,804,014.80 : 445,824,223.80 = 221,465,467.60 : x
  2. Step 2: Convert to fraction form
    297,804,014.80/445,824,223.80 = 221,465,467.60/x
  3. Step 3: Cross multiply
    297,804,014.80x = 445,824,223.80 × 221,465,467.60
  4. Step 4: Simplify right side
    297,804,014.80x = 98,734,670,191,274,048
  5. Step 5: Solve for x
    x = 98,734,670,191,274,048/297,804,014.80
  6. Step 6: Final answer
    x = 331,542,441.62

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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.