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Finding the Fourth Proportional to 967.56, 1,450.15 and 473.56

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Solution

The fourth proportional to 967.56, 1,450.15 and 473.56 is: 709.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    967.56 : 1,450.15 = 473.56 : x
  2. Step 2: Convert to fraction form
    967.56/1,450.15 = 473.56/x
  3. Step 3: Cross multiply
    967.56x = 1,450.15 × 473.56
  4. Step 4: Simplify right side
    967.56x = 686,739.05
  5. Step 5: Solve for x
    x = 686,739.05/967.56
  6. Step 6: Final answer
    x = 709.76

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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.