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Finding the Fourth Proportional to 455,675,800.06, 628,835,623.32 and 246,831,942.64

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Solution

The fourth proportional to 455,675,800.06, 628,835,623.32 and 246,831,942.64 is: 340,629,716.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,675,800.06 : 628,835,623.32 = 246,831,942.64 : x
  2. Step 2: Convert to fraction form
    455,675,800.06/628,835,623.32 = 246,831,942.64/x
  3. Step 3: Cross multiply
    455,675,800.06x = 628,835,623.32 × 246,831,942.64
  4. Step 4: Simplify right side
    455,675,800.06x = 155,216,718,505,310,880
  5. Step 5: Solve for x
    x = 155,216,718,505,310,880/455,675,800.06
  6. Step 6: Final answer
    x = 340,629,716.31

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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.