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Finding the Fourth Proportional to 441, 608 and 293.32

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Solution

The fourth proportional to 441, 608 and 293.32 is: 404.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    441 : 608 = 293.32 : x
  2. Step 2: Convert to fraction form
    441/608 = 293.32/x
  3. Step 3: Cross multiply
    441x = 608 × 293.32
  4. Step 4: Simplify right side
    441x = 178,338.56
  5. Step 5: Solve for x
    x = 178,338.56/441
  6. Step 6: Final answer
    x = 404.40

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.