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Finding the Fourth Proportional to 3,831,836.22, 5,747,890.11 and 953,218.02

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Solution

The fourth proportional to 3,831,836.22, 5,747,890.11 and 953,218.02 is: 1,429,860.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,831,836.22 : 5,747,890.11 = 953,218.02 : x
  2. Step 2: Convert to fraction form
    3,831,836.22/5,747,890.11 = 953,218.02/x
  3. Step 3: Cross multiply
    3,831,836.22x = 5,747,890.11 × 953,218.02
  4. Step 4: Simplify right side
    3,831,836.22x = 5,478,992,447,811.80
  5. Step 5: Solve for x
    x = 5,478,992,447,811.80/3,831,836.22
  6. Step 6: Final answer
    x = 1,429,860.81

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Why These Related Problems?

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