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Finding the Fourth Proportional to 533,571.28, 800,358.27 and 218,028.13

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Solution

The fourth proportional to 533,571.28, 800,358.27 and 218,028.13 is: 327,042.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,571.28 : 800,358.27 = 218,028.13 : x
  2. Step 2: Convert to fraction form
    533,571.28/800,358.27 = 218,028.13/x
  3. Step 3: Cross multiply
    533,571.28x = 800,358.27 × 218,028.13
  4. Step 4: Simplify right side
    533,571.28x = 174,500,616,938.14
  5. Step 5: Solve for x
    x = 174,500,616,938.14/533,571.28
  6. Step 6: Final answer
    x = 327,042.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.