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Finding the Fourth Proportional to 1,055.09, 1,456.01 and 582.97

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Solution

The fourth proportional to 1,055.09, 1,456.01 and 582.97 is: 804.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,055.09 : 1,456.01 = 582.97 : x
  2. Step 2: Convert to fraction form
    1,055.09/1,456.01 = 582.97/x
  3. Step 3: Cross multiply
    1,055.09x = 1,456.01 × 582.97
  4. Step 4: Simplify right side
    1,055.09x = 848,800.86
  5. Step 5: Solve for x
    x = 848,800.86/1,055.09
  6. Step 6: Final answer
    x = 804.48

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.