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Finding the Fourth Proportional to 301,295,428.80, 451,831,168.80 and 119,504,990.40

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Solution

The fourth proportional to 301,295,428.80, 451,831,168.80 and 119,504,990.40 is: 179,213,072.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,295,428.80 : 451,831,168.80 = 119,504,990.40 : x
  2. Step 2: Convert to fraction form
    301,295,428.80/451,831,168.80 = 119,504,990.40/x
  3. Step 3: Cross multiply
    301,295,428.80x = 451,831,168.80 × 119,504,990.40
  4. Step 4: Simplify right side
    301,295,428.80x = 53,996,079,489,864,784
  5. Step 5: Solve for x
    x = 53,996,079,489,864,784/301,295,428.80
  6. Step 6: Final answer
    x = 179,213,072.38

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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.