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Finding the Fourth Proportional to 533,571.42, 800,358.42 and 218,028.30

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Solution

The fourth proportional to 533,571.42, 800,358.42 and 218,028.30 is: 327,042.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,571.42 : 800,358.42 = 218,028.30 : x
  2. Step 2: Convert to fraction form
    533,571.42/800,358.42 = 218,028.30/x
  3. Step 3: Cross multiply
    533,571.42x = 800,358.42 × 218,028.30
  4. Step 4: Simplify right side
    533,571.42x = 174,500,785,703.29
  5. Step 5: Solve for x
    x = 174,500,785,703.29/533,571.42
  6. Step 6: Final answer
    x = 327,042.98

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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.