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Finding the Fourth Proportional to 2,317.49, 3,476.82 and 674

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Solution

The fourth proportional to 2,317.49, 3,476.82 and 674 is: 1,011.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,317.49 : 3,476.82 = 674 : x
  2. Step 2: Convert to fraction form
    2,317.49/3,476.82 = 674/x
  3. Step 3: Cross multiply
    2,317.49x = 3,476.82 × 674
  4. Step 4: Simplify right side
    2,317.49x = 2,343,376.68
  5. Step 5: Solve for x
    x = 2,343,376.68/2,317.49
  6. Step 6: Final answer
    x = 1,011.17

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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.