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Finding the Fourth Proportional to 3,269,894.72, 4,905,049.44 and 1,026,121.28

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Solution

The fourth proportional to 3,269,894.72, 4,905,049.44 and 1,026,121.28 is: 1,539,246.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,269,894.72 : 4,905,049.44 = 1,026,121.28 : x
  2. Step 2: Convert to fraction form
    3,269,894.72/4,905,049.44 = 1,026,121.28/x
  3. Step 3: Cross multiply
    3,269,894.72x = 4,905,049.44 × 1,026,121.28
  4. Step 4: Simplify right side
    3,269,894.72x = 5,033,175,609,836.08
  5. Step 5: Solve for x
    x = 5,033,175,609,836.08/3,269,894.72
  6. Step 6: Final answer
    x = 1,539,246.99

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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.