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Finding the Fourth Proportional to 792.37, 1,186.50 and 546.33

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Solution

The fourth proportional to 792.37, 1,186.50 and 546.33 is: 818.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    792.37 : 1,186.50 = 546.33 : x
  2. Step 2: Convert to fraction form
    792.37/1,186.50 = 546.33/x
  3. Step 3: Cross multiply
    792.37x = 1,186.50 × 546.33
  4. Step 4: Simplify right side
    792.37x = 648,227.04
  5. Step 5: Solve for x
    x = 648,227.04/792.37
  6. Step 6: Final answer
    x = 818.09

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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.