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Finding the Fourth Proportional to 1,843,328, 2,543,792.64 and 995,456

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Solution

The fourth proportional to 1,843,328, 2,543,792.64 and 995,456 is: 1,373,729.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,843,328 : 2,543,792.64 = 995,456 : x
  2. Step 2: Convert to fraction form
    1,843,328/2,543,792.64 = 995,456/x
  3. Step 3: Cross multiply
    1,843,328x = 2,543,792.64 × 995,456
  4. Step 4: Simplify right side
    1,843,328x = 2,532,233,646,243.84
  5. Step 5: Solve for x
    x = 2,532,233,646,243.84/1,843,328
  6. Step 6: Final answer
    x = 1,373,729.28

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.