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Finding the Fourth Proportional to 944.82, 1,416.96 and 482.31

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Solution

The fourth proportional to 944.82, 1,416.96 and 482.31 is: 723.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    944.82 : 1,416.96 = 482.31 : x
  2. Step 2: Convert to fraction form
    944.82/1,416.96 = 482.31/x
  3. Step 3: Cross multiply
    944.82x = 1,416.96 × 482.31
  4. Step 4: Simplify right side
    944.82x = 683,413.98
  5. Step 5: Solve for x
    x = 683,413.98/944.82
  6. Step 6: Final answer
    x = 723.33

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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.