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Finding the Fourth Proportional to 371,283.12, 512,371.17 and 201,517.29

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Solution

The fourth proportional to 371,283.12, 512,371.17 and 201,517.29 is: 278,094.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,283.12 : 512,371.17 = 201,517.29 : x
  2. Step 2: Convert to fraction form
    371,283.12/512,371.17 = 201,517.29/x
  3. Step 3: Cross multiply
    371,283.12x = 512,371.17 × 201,517.29
  4. Step 4: Simplify right side
    371,283.12x = 103,251,649,652.53
  5. Step 5: Solve for x
    x = 103,251,649,652.53/371,283.12
  6. Step 6: Final answer
    x = 278,094.11

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