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Finding the Fourth Proportional to 605,807,382.25, 836,080,616.17 and 351,544,750.21

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Solution

The fourth proportional to 605,807,382.25, 836,080,616.17 and 351,544,750.21 is: 485,170,303.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,807,382.25 : 836,080,616.17 = 351,544,750.21 : x
  2. Step 2: Convert to fraction form
    605,807,382.25/836,080,616.17 = 351,544,750.21/x
  3. Step 3: Cross multiply
    605,807,382.25x = 836,080,616.17 × 351,544,750.21
  4. Step 4: Simplify right side
    605,807,382.25x = 293,919,751,360,967,360
  5. Step 5: Solve for x
    x = 293,919,751,360,967,360/605,807,382.25
  6. Step 6: Final answer
    x = 485,170,303.26

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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.