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Finding the Fourth Proportional to 1,047.99, 1,446.26 and 582.27

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Solution

The fourth proportional to 1,047.99, 1,446.26 and 582.27 is: 803.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,047.99 : 1,446.26 = 582.27 : x
  2. Step 2: Convert to fraction form
    1,047.99/1,446.26 = 582.27/x
  3. Step 3: Cross multiply
    1,047.99x = 1,446.26 × 582.27
  4. Step 4: Simplify right side
    1,047.99x = 842,110.90
  5. Step 5: Solve for x
    x = 842,110.90/1,047.99
  6. Step 6: Final answer
    x = 803.55

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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.