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Finding the Fourth Proportional to 371,363.50, 512,480.37 and 201,596.41

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Solution

The fourth proportional to 371,363.50, 512,480.37 and 201,596.41 is: 278,202.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,363.50 : 512,480.37 = 201,596.41 : x
  2. Step 2: Convert to fraction form
    371,363.50/512,480.37 = 201,596.41/x
  3. Step 3: Cross multiply
    371,363.50x = 512,480.37 × 201,596.41
  4. Step 4: Simplify right side
    371,363.50x = 103,314,202,787.47
  5. Step 5: Solve for x
    x = 103,314,202,787.47/371,363.50
  6. Step 6: Final answer
    x = 278,202.36

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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.