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Finding the Fourth Proportional to 352.44, 482.81 and 348.49

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Solution

The fourth proportional to 352.44, 482.81 and 348.49 is: 477.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    352.44 : 482.81 = 348.49 : x
  2. Step 2: Convert to fraction form
    352.44/482.81 = 348.49/x
  3. Step 3: Cross multiply
    352.44x = 482.81 × 348.49
  4. Step 4: Simplify right side
    352.44x = 168,254.46
  5. Step 5: Solve for x
    x = 168,254.46/352.44
  6. Step 6: Final answer
    x = 477.40

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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.