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Finding the Fourth Proportional to 941.24, 1,411.56 and 291.95

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Solution

The fourth proportional to 941.24, 1,411.56 and 291.95 is: 437.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    941.24 : 1,411.56 = 291.95 : x
  2. Step 2: Convert to fraction form
    941.24/1,411.56 = 291.95/x
  3. Step 3: Cross multiply
    941.24x = 1,411.56 × 291.95
  4. Step 4: Simplify right side
    941.24x = 412,104.94
  5. Step 5: Solve for x
    x = 412,104.94/941.24
  6. Step 6: Final answer
    x = 437.83

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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.