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Finding the Fourth Proportional to 322.99, 446.18 and 250.24

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Solution

The fourth proportional to 322.99, 446.18 and 250.24 is: 345.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    322.99 : 446.18 = 250.24 : x
  2. Step 2: Convert to fraction form
    322.99/446.18 = 250.24/x
  3. Step 3: Cross multiply
    322.99x = 446.18 × 250.24
  4. Step 4: Simplify right side
    322.99x = 111,652.66
  5. Step 5: Solve for x
    x = 111,652.66/322.99
  6. Step 6: Final answer
    x = 345.69

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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.