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Finding the Fourth Proportional to 1,301.88, 1,797.22 and 804.81

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Solution

The fourth proportional to 1,301.88, 1,797.22 and 804.81 is: 1,111.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,301.88 : 1,797.22 = 804.81 : x
  2. Step 2: Convert to fraction form
    1,301.88/1,797.22 = 804.81/x
  3. Step 3: Cross multiply
    1,301.88x = 1,797.22 × 804.81
  4. Step 4: Simplify right side
    1,301.88x = 1,446,420.63
  5. Step 5: Solve for x
    x = 1,446,420.63/1,301.88
  6. Step 6: Final answer
    x = 1,111.02

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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.