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Finding the Fourth Proportional to 1,302.46, 1,797.41 and 804.99

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Solution

The fourth proportional to 1,302.46, 1,797.41 and 804.99 is: 1,110.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,302.46 : 1,797.41 = 804.99 : x
  2. Step 2: Convert to fraction form
    1,302.46/1,797.41 = 804.99/x
  3. Step 3: Cross multiply
    1,302.46x = 1,797.41 × 804.99
  4. Step 4: Simplify right side
    1,302.46x = 1,446,897.08
  5. Step 5: Solve for x
    x = 1,446,897.08/1,302.46
  6. Step 6: Final answer
    x = 1,110.90

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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.