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Finding the Fourth Proportional to 894.36, 1,233.90 and 583.32

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Solution

The fourth proportional to 894.36, 1,233.90 and 583.32 is: 804.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    894.36 : 1,233.90 = 583.32 : x
  2. Step 2: Convert to fraction form
    894.36/1,233.90 = 583.32/x
  3. Step 3: Cross multiply
    894.36x = 1,233.90 × 583.32
  4. Step 4: Simplify right side
    894.36x = 719,758.55
  5. Step 5: Solve for x
    x = 719,758.55/894.36
  6. Step 6: Final answer
    x = 804.77

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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.