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Finding the Fourth Proportional to 3,645,309.02, 5,467,965.45 and 949,627.10

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Solution

The fourth proportional to 3,645,309.02, 5,467,965.45 and 949,627.10 is: 1,424,441.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,645,309.02 : 5,467,965.45 = 949,627.10 : x
  2. Step 2: Convert to fraction form
    3,645,309.02/5,467,965.45 = 949,627.10/x
  3. Step 3: Cross multiply
    3,645,309.02x = 5,467,965.45 × 949,627.10
  4. Step 4: Simplify right side
    3,645,309.02x = 5,192,528,173,183.70
  5. Step 5: Solve for x
    x = 5,192,528,173,183.70/3,645,309.02
  6. Step 6: Final answer
    x = 1,424,441.15

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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.