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Finding the Fourth Proportional to 573,548.39, 790,329.09 and 443,697.97

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Solution

The fourth proportional to 573,548.39, 790,329.09 and 443,697.97 is: 611,399.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,548.39 : 790,329.09 = 443,697.97 : x
  2. Step 2: Convert to fraction form
    573,548.39/790,329.09 = 443,697.97/x
  3. Step 3: Cross multiply
    573,548.39x = 790,329.09 × 443,697.97
  4. Step 4: Simplify right side
    573,548.39x = 350,667,410,889.13
  5. Step 5: Solve for x
    x = 350,667,410,889.13/573,548.39
  6. Step 6: Final answer
    x = 611,399.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.