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Finding the Fourth Proportional to 967.70, 1,450.81 and 497.98

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Solution

The fourth proportional to 967.70, 1,450.81 and 497.98 is: 746.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    967.70 : 1,450.81 = 497.98 : x
  2. Step 2: Convert to fraction form
    967.70/1,450.81 = 497.98/x
  3. Step 3: Cross multiply
    967.70x = 1,450.81 × 497.98
  4. Step 4: Simplify right side
    967.70x = 722,476.80
  5. Step 5: Solve for x
    x = 722,476.80/967.70
  6. Step 6: Final answer
    x = 746.59

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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.