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Finding the Fourth Proportional to 967.37, 1,450.53 and 479.82

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Solution

The fourth proportional to 967.37, 1,450.53 and 479.82 is: 719.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    967.37 : 1,450.53 = 479.82 : x
  2. Step 2: Convert to fraction form
    967.37/1,450.53 = 479.82/x
  3. Step 3: Cross multiply
    967.37x = 1,450.53 × 479.82
  4. Step 4: Simplify right side
    967.37x = 695,993.30
  5. Step 5: Solve for x
    x = 695,993.30/967.37
  6. Step 6: Final answer
    x = 719.47

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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.