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Finding the Fourth Proportional to 1,433.43, 2,150.73 and 568.35

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Solution

The fourth proportional to 1,433.43, 2,150.73 and 568.35 is: 852.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,433.43 : 2,150.73 = 568.35 : x
  2. Step 2: Convert to fraction form
    1,433.43/2,150.73 = 568.35/x
  3. Step 3: Cross multiply
    1,433.43x = 2,150.73 × 568.35
  4. Step 4: Simplify right side
    1,433.43x = 1,222,367.40
  5. Step 5: Solve for x
    x = 1,222,367.40/1,433.43
  6. Step 6: Final answer
    x = 852.76

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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.