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Finding the Fourth Proportional to 941.97, 1,411.94 and 804.60

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Solution

The fourth proportional to 941.97, 1,411.94 and 804.60 is: 1,206.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    941.97 : 1,411.94 = 804.60 : x
  2. Step 2: Convert to fraction form
    941.97/1,411.94 = 804.60/x
  3. Step 3: Cross multiply
    941.97x = 1,411.94 × 804.60
  4. Step 4: Simplify right side
    941.97x = 1,136,048.20
  5. Step 5: Solve for x
    x = 1,136,048.20/941.97
  6. Step 6: Final answer
    x = 1,206.03

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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.