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Finding the Fourth Proportional to 1,302.44, 1,797.32 and 804.82

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Solution

The fourth proportional to 1,302.44, 1,797.32 and 804.82 is: 1,110.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,302.44 : 1,797.32 = 804.82 : x
  2. Step 2: Convert to fraction form
    1,302.44/1,797.32 = 804.82/x
  3. Step 3: Cross multiply
    1,302.44x = 1,797.32 × 804.82
  4. Step 4: Simplify right side
    1,302.44x = 1,446,519.08
  5. Step 5: Solve for x
    x = 1,446,519.08/1,302.44
  6. Step 6: Final answer
    x = 1,110.62

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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.