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Finding the Fourth Proportional to 371,505.63, 512,664.08 and 201,736.11

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Solution

The fourth proportional to 371,505.63, 512,664.08 and 201,736.11 is: 278,388.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,505.63 : 512,664.08 = 201,736.11 : x
  2. Step 2: Convert to fraction form
    371,505.63/512,664.08 = 201,736.11/x
  3. Step 3: Cross multiply
    371,505.63x = 512,664.08 × 201,736.11
  4. Step 4: Simplify right side
    371,505.63x = 103,422,856,227.25
  5. Step 5: Solve for x
    x = 103,422,856,227.25/371,505.63
  6. Step 6: Final answer
    x = 278,388.40

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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.