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Finding the Fourth Proportional to 293.99, 440.48 and 235.89

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Solution

The fourth proportional to 293.99, 440.48 and 235.89 is: 353.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    293.99 : 440.48 = 235.89 : x
  2. Step 2: Convert to fraction form
    293.99/440.48 = 235.89/x
  3. Step 3: Cross multiply
    293.99x = 440.48 × 235.89
  4. Step 4: Simplify right side
    293.99x = 103,903.65
  5. Step 5: Solve for x
    x = 103,903.65/293.99
  6. Step 6: Final answer
    x = 353.43

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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.