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Finding the Fourth Proportional to 533,231.64, 800,049.48 and 320,148.36

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Solution

The fourth proportional to 533,231.64, 800,049.48 and 320,148.36 is: 480,343.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,231.64 : 800,049.48 = 320,148.36 : x
  2. Step 2: Convert to fraction form
    533,231.64/800,049.48 = 320,148.36/x
  3. Step 3: Cross multiply
    533,231.64x = 800,049.48 × 320,148.36
  4. Step 4: Simplify right side
    533,231.64x = 256,134,528,940.85
  5. Step 5: Solve for x
    x = 256,134,528,940.85/533,231.64
  6. Step 6: Final answer
    x = 480,343.83

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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.