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Finding the Fourth Proportional to 694.41, 1,041.82 and 293.89

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Solution

The fourth proportional to 694.41, 1,041.82 and 293.89 is: 440.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    694.41 : 1,041.82 = 293.89 : x
  2. Step 2: Convert to fraction form
    694.41/1,041.82 = 293.89/x
  3. Step 3: Cross multiply
    694.41x = 1,041.82 × 293.89
  4. Step 4: Simplify right side
    694.41x = 306,180.75
  5. Step 5: Solve for x
    x = 306,180.75/694.41
  6. Step 6: Final answer
    x = 440.92

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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.