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Finding the Fourth Proportional to 966.94, 1,450.70 and 382.03

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Solution

The fourth proportional to 966.94, 1,450.70 and 382.03 is: 573.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    966.94 : 1,450.70 = 382.03 : x
  2. Step 2: Convert to fraction form
    966.94/1,450.70 = 382.03/x
  3. Step 3: Cross multiply
    966.94x = 1,450.70 × 382.03
  4. Step 4: Simplify right side
    966.94x = 554,204.15
  5. Step 5: Solve for x
    x = 554,204.15/966.94
  6. Step 6: Final answer
    x = 573.15

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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.