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Finding the Fourth Proportional to 294.86, 441.30 and 202.88

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Solution

The fourth proportional to 294.86, 441.30 and 202.88 is: 303.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    294.86 : 441.30 = 202.88 : x
  2. Step 2: Convert to fraction form
    294.86/441.30 = 202.88/x
  3. Step 3: Cross multiply
    294.86x = 441.30 × 202.88
  4. Step 4: Simplify right side
    294.86x = 89,530.94
  5. Step 5: Solve for x
    x = 89,530.94/294.86
  6. Step 6: Final answer
    x = 303.64

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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.