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Finding the Fourth Proportional to 941.44, 1,298.04 and 692

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Solution

The fourth proportional to 941.44, 1,298.04 and 692 is: 954.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    941.44 : 1,298.04 = 692 : x
  2. Step 2: Convert to fraction form
    941.44/1,298.04 = 692/x
  3. Step 3: Cross multiply
    941.44x = 1,298.04 × 692
  4. Step 4: Simplify right side
    941.44x = 898,243.68
  5. Step 5: Solve for x
    x = 898,243.68/941.44
  6. Step 6: Final answer
    x = 954.12

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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.