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Finding the Fourth Proportional to 352.08, 525.56 and 323.19

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Solution

The fourth proportional to 352.08, 525.56 and 323.19 is: 482.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    352.08 : 525.56 = 323.19 : x
  2. Step 2: Convert to fraction form
    352.08/525.56 = 323.19/x
  3. Step 3: Cross multiply
    352.08x = 525.56 × 323.19
  4. Step 4: Simplify right side
    352.08x = 169,854.12
  5. Step 5: Solve for x
    x = 169,854.12/352.08
  6. Step 6: Final answer
    x = 482.43

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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.