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Finding the Fourth Proportional to 1,049.25, 1,448.07 and 583.59

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Solution

The fourth proportional to 1,049.25, 1,448.07 and 583.59 is: 805.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,049.25 : 1,448.07 = 583.59 : x
  2. Step 2: Convert to fraction form
    1,049.25/1,448.07 = 583.59/x
  3. Step 3: Cross multiply
    1,049.25x = 1,448.07 × 583.59
  4. Step 4: Simplify right side
    1,049.25x = 845,079.17
  5. Step 5: Solve for x
    x = 845,079.17/1,049.25
  6. Step 6: Final answer
    x = 805.41

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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.