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Finding the Fourth Proportional to 603,112.38, 832,309.53 and 327,481.84

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Solution

The fourth proportional to 603,112.38, 832,309.53 and 327,481.84 is: 451,932.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,112.38 : 832,309.53 = 327,481.84 : x
  2. Step 2: Convert to fraction form
    603,112.38/832,309.53 = 327,481.84/x
  3. Step 3: Cross multiply
    603,112.38x = 832,309.53 × 327,481.84
  4. Step 4: Simplify right side
    603,112.38x = 272,566,256,333.94
  5. Step 5: Solve for x
    x = 272,566,256,333.94/603,112.38
  6. Step 6: Final answer
    x = 451,932.78

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1.5x scale

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.