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Finding the Fourth Proportional to 352.56, 483.36 and 346.43

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Solution

The fourth proportional to 352.56, 483.36 and 346.43 is: 474.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    352.56 : 483.36 = 346.43 : x
  2. Step 2: Convert to fraction form
    352.56/483.36 = 346.43/x
  3. Step 3: Cross multiply
    352.56x = 483.36 × 346.43
  4. Step 4: Simplify right side
    352.56x = 167,447.99
  5. Step 5: Solve for x
    x = 167,447.99/352.56
  6. Step 6: Final answer
    x = 474.95

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.