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Finding the Fourth Proportional to 2,649,936.96, 3,975,060.96 and 756,532.80

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Solution

The fourth proportional to 2,649,936.96, 3,975,060.96 and 756,532.80 is: 1,134,843.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,649,936.96 : 3,975,060.96 = 756,532.80 : x
  2. Step 2: Convert to fraction form
    2,649,936.96/3,975,060.96 = 756,532.80/x
  3. Step 3: Cross multiply
    2,649,936.96x = 3,975,060.96 × 756,532.80
  4. Step 4: Simplify right side
    2,649,936.96x = 3,007,263,998,239.49
  5. Step 5: Solve for x
    x = 3,007,263,998,239.49/2,649,936.96
  6. Step 6: Final answer
    x = 1,134,843.60

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.