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Finding the Fourth Proportional to 950.67, 1,426.20 and 365.67

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Solution

The fourth proportional to 950.67, 1,426.20 and 365.67 is: 548.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    950.67 : 1,426.20 = 365.67 : x
  2. Step 2: Convert to fraction form
    950.67/1,426.20 = 365.67/x
  3. Step 3: Cross multiply
    950.67x = 1,426.20 × 365.67
  4. Step 4: Simplify right side
    950.67x = 521,518.55
  5. Step 5: Solve for x
    x = 521,518.55/950.67
  6. Step 6: Final answer
    x = 548.58

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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.