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Finding the Fourth Proportional to 483.69, 667.79 and 332.53

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Solution

The fourth proportional to 483.69, 667.79 and 332.53 is: 459.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    483.69 : 667.79 = 332.53 : x
  2. Step 2: Convert to fraction form
    483.69/667.79 = 332.53/x
  3. Step 3: Cross multiply
    483.69x = 667.79 × 332.53
  4. Step 4: Simplify right side
    483.69x = 222,059.38
  5. Step 5: Solve for x
    x = 222,059.38/483.69
  6. Step 6: Final answer
    x = 459.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.