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Finding the Fourth Proportional to 950.64, 1,426.26 and 365.82

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Solution

The fourth proportional to 950.64, 1,426.26 and 365.82 is: 548.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    950.64 : 1,426.26 = 365.82 : x
  2. Step 2: Convert to fraction form
    950.64/1,426.26 = 365.82/x
  3. Step 3: Cross multiply
    950.64x = 1,426.26 × 365.82
  4. Step 4: Simplify right side
    950.64x = 521,754.43
  5. Step 5: Solve for x
    x = 521,754.43/950.64
  6. Step 6: Final answer
    x = 548.85

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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.