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Finding the Fourth Proportional to 952.84, 1,314.42 and 719.56

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Solution

The fourth proportional to 952.84, 1,314.42 and 719.56 is: 992.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    952.84 : 1,314.42 = 719.56 : x
  2. Step 2: Convert to fraction form
    952.84/1,314.42 = 719.56/x
  3. Step 3: Cross multiply
    952.84x = 1,314.42 × 719.56
  4. Step 4: Simplify right side
    952.84x = 945,804.06
  5. Step 5: Solve for x
    x = 945,804.06/952.84
  6. Step 6: Final answer
    x = 992.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.