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Finding the Fourth Proportional to 293.68, 441.02 and 288.60

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Solution

The fourth proportional to 293.68, 441.02 and 288.60 is: 433.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    293.68 : 441.02 = 288.60 : x
  2. Step 2: Convert to fraction form
    293.68/441.02 = 288.60/x
  3. Step 3: Cross multiply
    293.68x = 441.02 × 288.60
  4. Step 4: Simplify right side
    293.68x = 127,278.37
  5. Step 5: Solve for x
    x = 127,278.37/293.68
  6. Step 6: Final answer
    x = 433.39

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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.