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Finding the Fourth Proportional to 6,819,304.26, 9,407,687.88 and 4,170,268.02

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Solution

The fourth proportional to 6,819,304.26, 9,407,687.88 and 4,170,268.02 is: 5,753,164.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,819,304.26 : 9,407,687.88 = 4,170,268.02 : x
  2. Step 2: Convert to fraction form
    6,819,304.26/9,407,687.88 = 4,170,268.02/x
  3. Step 3: Cross multiply
    6,819,304.26x = 9,407,687.88 × 4,170,268.02
  4. Step 4: Simplify right side
    6,819,304.26x = 39,232,579,908,105.60
  5. Step 5: Solve for x
    x = 39,232,579,908,105.60/6,819,304.26
  6. Step 6: Final answer
    x = 5,753,164.61

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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.