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Finding the Fourth Proportional to 1,049.16, 1,447.88 and 583.44

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Solution

The fourth proportional to 1,049.16, 1,447.88 and 583.44 is: 805.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,049.16 : 1,447.88 = 583.44 : x
  2. Step 2: Convert to fraction form
    1,049.16/1,447.88 = 583.44/x
  3. Step 3: Cross multiply
    1,049.16x = 1,447.88 × 583.44
  4. Step 4: Simplify right side
    1,049.16x = 844,751.11
  5. Step 5: Solve for x
    x = 844,751.11/1,049.16
  6. Step 6: Final answer
    x = 805.17

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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.