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Finding the Fourth Proportional to 244,971,019.80, 367,456,529.70 and 220,028,722.20

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Solution

The fourth proportional to 244,971,019.80, 367,456,529.70 and 220,028,722.20 is: 330,043,083.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    244,971,019.80 : 367,456,529.70 = 220,028,722.20 : x
  2. Step 2: Convert to fraction form
    244,971,019.80/367,456,529.70 = 220,028,722.20/x
  3. Step 3: Cross multiply
    244,971,019.80x = 367,456,529.70 × 220,028,722.20
  4. Step 4: Simplify right side
    244,971,019.80x = 80,850,990,693,937,344
  5. Step 5: Solve for x
    x = 80,850,990,693,937,344/244,971,019.80
  6. Step 6: Final answer
    x = 330,043,083.30

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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.