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Finding the Fourth Proportional to 350,666, 483,919.08 and 199,763

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Solution

The fourth proportional to 350,666, 483,919.08 and 199,763 is: 275,672.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,666 : 483,919.08 = 199,763 : x
  2. Step 2: Convert to fraction form
    350,666/483,919.08 = 199,763/x
  3. Step 3: Cross multiply
    350,666x = 483,919.08 × 199,763
  4. Step 4: Simplify right side
    350,666x = 96,669,127,178.04
  5. Step 5: Solve for x
    x = 96,669,127,178.04/350,666
  6. Step 6: Final answer
    x = 275,672.94

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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.