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Finding the Fourth Proportional to 371,039.22, 512,035.43 and 201,274.56

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Solution

The fourth proportional to 371,039.22, 512,035.43 and 201,274.56 is: 277,759.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,039.22 : 512,035.43 = 201,274.56 : x
  2. Step 2: Convert to fraction form
    371,039.22/512,035.43 = 201,274.56/x
  3. Step 3: Cross multiply
    371,039.22x = 512,035.43 × 201,274.56
  4. Step 4: Simplify right side
    371,039.22x = 103,059,704,871.29
  5. Step 5: Solve for x
    x = 103,059,704,871.29/371,039.22
  6. Step 6: Final answer
    x = 277,759.60

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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.