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Finding the Fourth Proportional to 352, 527.34 and 325.48

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Solution

The fourth proportional to 352, 527.34 and 325.48 is: 487.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    352 : 527.34 = 325.48 : x
  2. Step 2: Convert to fraction form
    352/527.34 = 325.48/x
  3. Step 3: Cross multiply
    352x = 527.34 × 325.48
  4. Step 4: Simplify right side
    352x = 171,638.62
  5. Step 5: Solve for x
    x = 171,638.62/352
  6. Step 6: Final answer
    x = 487.61

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.