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Finding the Fourth Proportional to 950.98, 1,423.22 and 797.08

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Solution

The fourth proportional to 950.98, 1,423.22 and 797.08 is: 1,192.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    950.98 : 1,423.22 = 797.08 : x
  2. Step 2: Convert to fraction form
    950.98/1,423.22 = 797.08/x
  3. Step 3: Cross multiply
    950.98x = 1,423.22 × 797.08
  4. Step 4: Simplify right side
    950.98x = 1,134,418.63
  5. Step 5: Solve for x
    x = 1,134,418.63/950.98
  6. Step 6: Final answer
    x = 1,192.90

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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.