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Finding the Fourth Proportional to 294, 440.46 and 191.04

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Solution

The fourth proportional to 294, 440.46 and 191.04 is: 286.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    294 : 440.46 = 191.04 : x
  2. Step 2: Convert to fraction form
    294/440.46 = 191.04/x
  3. Step 3: Cross multiply
    294x = 440.46 × 191.04
  4. Step 4: Simplify right side
    294x = 84,145.48
  5. Step 5: Solve for x
    x = 84,145.48/294
  6. Step 6: Final answer
    x = 286.21

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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.