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Finding the Fourth Proportional to 304,595,850.88, 419,936,293.92 and 242,080,698.88

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Solution

The fourth proportional to 304,595,850.88, 419,936,293.92 and 242,080,698.88 is: 333,748,707.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,595,850.88 : 419,936,293.92 = 242,080,698.88 : x
  2. Step 2: Convert to fraction form
    304,595,850.88/419,936,293.92 = 242,080,698.88/x
  3. Step 3: Cross multiply
    304,595,850.88x = 419,936,293.92 × 242,080,698.88
  4. Step 4: Simplify right side
    304,595,850.88x = 101,658,471,517,230,704
  5. Step 5: Solve for x
    x = 101,658,471,517,230,704/304,595,850.88
  6. Step 6: Final answer
    x = 333,748,707.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.