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Finding the Fourth Proportional to 481.60, 667.48 and 433

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Solution

The fourth proportional to 481.60, 667.48 and 433 is: 600.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    481.60 : 667.48 = 433 : x
  2. Step 2: Convert to fraction form
    481.60/667.48 = 433/x
  3. Step 3: Cross multiply
    481.60x = 667.48 × 433
  4. Step 4: Simplify right side
    481.60x = 289,018.84
  5. Step 5: Solve for x
    x = 289,018.84/481.60
  6. Step 6: Final answer
    x = 600.12

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.