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Finding the Fourth Proportional to 741.57, 1,022.19 and 583.96

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Solution

The fourth proportional to 741.57, 1,022.19 and 583.96 is: 804.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    741.57 : 1,022.19 = 583.96 : x
  2. Step 2: Convert to fraction form
    741.57/1,022.19 = 583.96/x
  3. Step 3: Cross multiply
    741.57x = 1,022.19 × 583.96
  4. Step 4: Simplify right side
    741.57x = 596,914.42
  5. Step 5: Solve for x
    x = 596,914.42/741.57
  6. Step 6: Final answer
    x = 804.93

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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.