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Finding the Fourth Proportional to 293.46, 439.83 and 223.53

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Solution

The fourth proportional to 293.46, 439.83 and 223.53 is: 335.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    293.46 : 439.83 = 223.53 : x
  2. Step 2: Convert to fraction form
    293.46/439.83 = 223.53/x
  3. Step 3: Cross multiply
    293.46x = 439.83 × 223.53
  4. Step 4: Simplify right side
    293.46x = 98,314.36
  5. Step 5: Solve for x
    x = 98,314.36/293.46
  6. Step 6: Final answer
    x = 335.01

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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.