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Finding the Fourth Proportional to 294.64, 441.38 and 170.93

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Solution

The fourth proportional to 294.64, 441.38 and 170.93 is: 256.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    294.64 : 441.38 = 170.93 : x
  2. Step 2: Convert to fraction form
    294.64/441.38 = 170.93/x
  3. Step 3: Cross multiply
    294.64x = 441.38 × 170.93
  4. Step 4: Simplify right side
    294.64x = 75,447.44
  5. Step 5: Solve for x
    x = 75,447.44/294.64
  6. Step 6: Final answer
    x = 256.07

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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.