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Finding the Fourth Proportional to 533,579.04, 800,369.90 and 218,035.88

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Solution

The fourth proportional to 533,579.04, 800,369.90 and 218,035.88 is: 327,054.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,579.04 : 800,369.90 = 218,035.88 : x
  2. Step 2: Convert to fraction form
    533,579.04/800,369.90 = 218,035.88/x
  3. Step 3: Cross multiply
    533,579.04x = 800,369.90 × 218,035.88
  4. Step 4: Simplify right side
    533,579.04x = 174,509,355,472.01
  5. Step 5: Solve for x
    x = 174,509,355,472.01/533,579.04
  6. Step 6: Final answer
    x = 327,054.37

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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.