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Finding the Fourth Proportional to 475.14, 712.08 and 352.44

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Solution

The fourth proportional to 475.14, 712.08 and 352.44 is: 528.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    475.14 : 712.08 = 352.44 : x
  2. Step 2: Convert to fraction form
    475.14/712.08 = 352.44/x
  3. Step 3: Cross multiply
    475.14x = 712.08 × 352.44
  4. Step 4: Simplify right side
    475.14x = 250,965.48
  5. Step 5: Solve for x
    x = 250,965.48/475.14
  6. Step 6: Final answer
    x = 528.19

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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.