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Finding the Fourth Proportional to 941.45, 1,411.97 and 292.04

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Solution

The fourth proportional to 941.45, 1,411.97 and 292.04 is: 437.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    941.45 : 1,411.97 = 292.04 : x
  2. Step 2: Convert to fraction form
    941.45/1,411.97 = 292.04/x
  3. Step 3: Cross multiply
    941.45x = 1,411.97 × 292.04
  4. Step 4: Simplify right side
    941.45x = 412,343.20
  5. Step 5: Solve for x
    x = 412,343.20/941.45
  6. Step 6: Final answer
    x = 437.99

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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.