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Finding the Fourth Proportional to 967.32, 1,450.82 and 318.06

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Solution

The fourth proportional to 967.32, 1,450.82 and 318.06 is: 477.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    967.32 : 1,450.82 = 318.06 : x
  2. Step 2: Convert to fraction form
    967.32/1,450.82 = 318.06/x
  3. Step 3: Cross multiply
    967.32x = 1,450.82 × 318.06
  4. Step 4: Simplify right side
    967.32x = 461,447.81
  5. Step 5: Solve for x
    x = 461,447.81/967.32
  6. Step 6: Final answer
    x = 477.04

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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.