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Finding the Fourth Proportional to 40,440,660.60, 60,660,990.90 and 30,362,964.60

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Solution

The fourth proportional to 40,440,660.60, 60,660,990.90 and 30,362,964.60 is: 45,544,446.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,440,660.60 : 60,660,990.90 = 30,362,964.60 : x
  2. Step 2: Convert to fraction form
    40,440,660.60/60,660,990.90 = 30,362,964.60/x
  3. Step 3: Cross multiply
    40,440,660.60x = 60,660,990.90 × 30,362,964.60
  4. Step 4: Simplify right side
    40,440,660.60x = 1,841,847,519,297,622.25
  5. Step 5: Solve for x
    x = 1,841,847,519,297,622.25/40,440,660.60
  6. Step 6: Final answer
    x = 45,544,446.90

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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.