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Finding the Fourth Proportional to 1,049.07, 1,447.76 and 583.32

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Solution

The fourth proportional to 1,049.07, 1,447.76 and 583.32 is: 805.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,049.07 : 1,447.76 = 583.32 : x
  2. Step 2: Convert to fraction form
    1,049.07/1,447.76 = 583.32/x
  3. Step 3: Cross multiply
    1,049.07x = 1,447.76 × 583.32
  4. Step 4: Simplify right side
    1,049.07x = 844,504.45
  5. Step 5: Solve for x
    x = 844,504.45/1,049.07
  6. Step 6: Final answer
    x = 805.00

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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.