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Finding the Fourth Proportional to 6,397,803.48, 8,828,969.22 and 3,497,205.84

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Solution

The fourth proportional to 6,397,803.48, 8,828,969.22 and 3,497,205.84 is: 4,826,144.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,397,803.48 : 8,828,969.22 = 3,497,205.84 : x
  2. Step 2: Convert to fraction form
    6,397,803.48/8,828,969.22 = 3,497,205.84/x
  3. Step 3: Cross multiply
    6,397,803.48x = 8,828,969.22 × 3,497,205.84
  4. Step 4: Simplify right side
    6,397,803.48x = 30,876,722,717,364.25
  5. Step 5: Solve for x
    x = 30,876,722,717,364.25/6,397,803.48
  6. Step 6: Final answer
    x = 4,826,144.29

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