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Finding the Fourth Proportional to 332.58, 458.85 and 227.46

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Solution

The fourth proportional to 332.58, 458.85 and 227.46 is: 313.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    332.58 : 458.85 = 227.46 : x
  2. Step 2: Convert to fraction form
    332.58/458.85 = 227.46/x
  3. Step 3: Cross multiply
    332.58x = 458.85 × 227.46
  4. Step 4: Simplify right side
    332.58x = 104,370.02
  5. Step 5: Solve for x
    x = 104,370.02/332.58
  6. Step 6: Final answer
    x = 313.82

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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.