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Finding the Fourth Proportional to 533,553.64, 800,331.83 and 218,010.55

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Solution

The fourth proportional to 533,553.64, 800,331.83 and 218,010.55 is: 327,016.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,553.64 : 800,331.83 = 218,010.55 : x
  2. Step 2: Convert to fraction form
    533,553.64/800,331.83 = 218,010.55/x
  3. Step 3: Cross multiply
    533,553.64x = 800,331.83 × 218,010.55
  4. Step 4: Simplify right side
    533,553.64x = 174,480,777,894.12
  5. Step 5: Solve for x
    x = 174,480,777,894.12/533,553.64
  6. Step 6: Final answer
    x = 327,016.38

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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.