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Finding the Fourth Proportional to 3,294,286.96, 4,939,476.72 and 1,019,137.36

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Solution

The fourth proportional to 3,294,286.96, 4,939,476.72 and 1,019,137.36 is: 1,528,101.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,294,286.96 : 4,939,476.72 = 1,019,137.36 : x
  2. Step 2: Convert to fraction form
    3,294,286.96/4,939,476.72 = 1,019,137.36/x
  3. Step 3: Cross multiply
    3,294,286.96x = 4,939,476.72 × 1,019,137.36
  4. Step 4: Simplify right side
    3,294,286.96x = 5,034,005,264,202.26
  5. Step 5: Solve for x
    x = 5,034,005,264,202.26/3,294,286.96
  6. Step 6: Final answer
    x = 1,528,101.63

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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.