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Finding the Fourth Proportional to 941.29, 1,411.12 and 550.33

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Solution

The fourth proportional to 941.29, 1,411.12 and 550.33 is: 825.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    941.29 : 1,411.12 = 550.33 : x
  2. Step 2: Convert to fraction form
    941.29/1,411.12 = 550.33/x
  3. Step 3: Cross multiply
    941.29x = 1,411.12 × 550.33
  4. Step 4: Simplify right side
    941.29x = 776,578.83
  5. Step 5: Solve for x
    x = 776,578.83/941.29
  6. Step 6: Final answer
    x = 825.02

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.