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Finding the Fourth Proportional to 352.34, 527.83 and 316.57

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Solution

The fourth proportional to 352.34, 527.83 and 316.57 is: 474.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    352.34 : 527.83 = 316.57 : x
  2. Step 2: Convert to fraction form
    352.34/527.83 = 316.57/x
  3. Step 3: Cross multiply
    352.34x = 527.83 × 316.57
  4. Step 4: Simplify right side
    352.34x = 167,095.14
  5. Step 5: Solve for x
    x = 167,095.14/352.34
  6. Step 6: Final answer
    x = 474.24

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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.