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Finding the Fourth Proportional to 941.73, 1,411.74 and 356.34

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Solution

The fourth proportional to 941.73, 1,411.74 and 356.34 is: 534.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    941.73 : 1,411.74 = 356.34 : x
  2. Step 2: Convert to fraction form
    941.73/1,411.74 = 356.34/x
  3. Step 3: Cross multiply
    941.73x = 1,411.74 × 356.34
  4. Step 4: Simplify right side
    941.73x = 503,059.43
  5. Step 5: Solve for x
    x = 503,059.43/941.73
  6. Step 6: Final answer
    x = 534.19

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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.