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Finding the Fourth Proportional to 456.92, 629.88 and 332.36

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Solution

The fourth proportional to 456.92, 629.88 and 332.36 is: 458.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    456.92 : 629.88 = 332.36 : x
  2. Step 2: Convert to fraction form
    456.92/629.88 = 332.36/x
  3. Step 3: Cross multiply
    456.92x = 629.88 × 332.36
  4. Step 4: Simplify right side
    456.92x = 209,346.92
  5. Step 5: Solve for x
    x = 209,346.92/456.92
  6. Step 6: Final answer
    x = 458.17

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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.