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Finding the Fourth Proportional to 351.17, 524.19 and 325.83

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Solution

The fourth proportional to 351.17, 524.19 and 325.83 is: 486.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    351.17 : 524.19 = 325.83 : x
  2. Step 2: Convert to fraction form
    351.17/524.19 = 325.83/x
  3. Step 3: Cross multiply
    351.17x = 524.19 × 325.83
  4. Step 4: Simplify right side
    351.17x = 170,796.83
  5. Step 5: Solve for x
    x = 170,796.83/351.17
  6. Step 6: Final answer
    x = 486.37

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.