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Finding the Fourth Proportional to 1,301.94, 1,796.65 and 742.44

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Solution

The fourth proportional to 1,301.94, 1,796.65 and 742.44 is: 1,024.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,301.94 : 1,796.65 = 742.44 : x
  2. Step 2: Convert to fraction form
    1,301.94/1,796.65 = 742.44/x
  3. Step 3: Cross multiply
    1,301.94x = 1,796.65 × 742.44
  4. Step 4: Simplify right side
    1,301.94x = 1,333,904.83
  5. Step 5: Solve for x
    x = 1,333,904.83/1,301.94
  6. Step 6: Final answer
    x = 1,024.55

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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.