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Finding the Fourth Proportional to 371,334.73, 512,441.49 and 201,568.86

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Solution

The fourth proportional to 371,334.73, 512,441.49 and 201,568.86 is: 278,164.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,334.73 : 512,441.49 = 201,568.86 : x
  2. Step 2: Convert to fraction form
    371,334.73/512,441.49 = 201,568.86/x
  3. Step 3: Cross multiply
    371,334.73x = 512,441.49 × 201,568.86
  4. Step 4: Simplify right side
    371,334.73x = 103,292,246,956.00
  5. Step 5: Solve for x
    x = 103,292,246,956.00/371,334.73
  6. Step 6: Final answer
    x = 278,164.79

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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.