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Finding the Fourth Proportional to 533,772.90, 800,659.89 and 218,229.81

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Solution

The fourth proportional to 533,772.90, 800,659.89 and 218,229.81 is: 327,344.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,772.90 : 800,659.89 = 218,229.81 : x
  2. Step 2: Convert to fraction form
    533,772.90/800,659.89 = 218,229.81/x
  3. Step 3: Cross multiply
    533,772.90x = 800,659.89 × 218,229.81
  4. Step 4: Simplify right side
    533,772.90x = 174,727,855,669.32
  5. Step 5: Solve for x
    x = 174,727,855,669.32/533,772.90
  6. Step 6: Final answer
    x = 327,344.94

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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.