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Finding the Fourth Proportional to 2,968,747.32, 4,453,846.32 and 946,991.58

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Solution

The fourth proportional to 2,968,747.32, 4,453,846.32 and 946,991.58 is: 1,420,718.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,968,747.32 : 4,453,846.32 = 946,991.58 : x
  2. Step 2: Convert to fraction form
    2,968,747.32/4,453,846.32 = 946,991.58/x
  3. Step 3: Cross multiply
    2,968,747.32x = 4,453,846.32 × 946,991.58
  4. Step 4: Simplify right side
    2,968,747.32x = 4,217,754,963,653.99
  5. Step 5: Solve for x
    x = 4,217,754,963,653.99/2,968,747.32
  6. Step 6: Final answer
    x = 1,420,718.74

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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.