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Finding the Fourth Proportional to 482.32, 664.56 and 351.04

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Solution

The fourth proportional to 482.32, 664.56 and 351.04 is: 483.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    482.32 : 664.56 = 351.04 : x
  2. Step 2: Convert to fraction form
    482.32/664.56 = 351.04/x
  3. Step 3: Cross multiply
    482.32x = 664.56 × 351.04
  4. Step 4: Simplify right side
    482.32x = 233,287.14
  5. Step 5: Solve for x
    x = 233,287.14/482.32
  6. Step 6: Final answer
    x = 483.68

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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.