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Finding the Fourth Proportional to 967.17, 1,450.00 and 479.96

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Solution

The fourth proportional to 967.17, 1,450.00 and 479.96 is: 719.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    967.17 : 1,450.00 = 479.96 : x
  2. Step 2: Convert to fraction form
    967.17/1,450.00 = 479.96/x
  3. Step 3: Cross multiply
    967.17x = 1,450.00 × 479.96
  4. Step 4: Simplify right side
    967.17x = 695,940.79
  5. Step 5: Solve for x
    x = 695,940.79/967.17
  6. Step 6: Final answer
    x = 719.56

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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.