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Finding the Fourth Proportional to 1,049.32, 1,448.04 and 583.54

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Solution

The fourth proportional to 1,049.32, 1,448.04 and 583.54 is: 805.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,049.32 : 1,448.04 = 583.54 : x
  2. Step 2: Convert to fraction form
    1,049.32/1,448.04 = 583.54/x
  3. Step 3: Cross multiply
    1,049.32x = 1,448.04 × 583.54
  4. Step 4: Simplify right side
    1,049.32x = 844,989.26
  5. Step 5: Solve for x
    x = 844,989.26/1,049.32
  6. Step 6: Final answer
    x = 805.27

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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.