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Finding the Fourth Proportional to 352.81, 483.66 and 347.14

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Solution

The fourth proportional to 352.81, 483.66 and 347.14 is: 475.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    352.81 : 483.66 = 347.14 : x
  2. Step 2: Convert to fraction form
    352.81/483.66 = 347.14/x
  3. Step 3: Cross multiply
    352.81x = 483.66 × 347.14
  4. Step 4: Simplify right side
    352.81x = 167,897.73
  5. Step 5: Solve for x
    x = 167,897.73/352.81
  6. Step 6: Final answer
    x = 475.89

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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.