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Finding the Fourth Proportional to 950.67, 1,311.84 and 536.67

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Solution

The fourth proportional to 950.67, 1,311.84 and 536.67 is: 740.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    950.67 : 1,311.84 = 536.67 : x
  2. Step 2: Convert to fraction form
    950.67/1,311.84 = 536.67/x
  3. Step 3: Cross multiply
    950.67x = 1,311.84 × 536.67
  4. Step 4: Simplify right side
    950.67x = 704,025.17
  5. Step 5: Solve for x
    x = 704,025.17/950.67
  6. Step 6: Final answer
    x = 740.56

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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.