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Finding the Fourth Proportional to 1,301.99, 1,796.73 and 712.52

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Solution

The fourth proportional to 1,301.99, 1,796.73 and 712.52 is: 983.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,301.99 : 1,796.73 = 712.52 : x
  2. Step 2: Convert to fraction form
    1,301.99/1,796.73 = 712.52/x
  3. Step 3: Cross multiply
    1,301.99x = 1,796.73 × 712.52
  4. Step 4: Simplify right side
    1,301.99x = 1,280,193.51
  5. Step 5: Solve for x
    x = 1,280,193.51/1,301.99
  6. Step 6: Final answer
    x = 983.26

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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.