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Finding the Fourth Proportional to 545,365.37, 752,635.26 and 327,640.64

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Solution

The fourth proportional to 545,365.37, 752,635.26 and 327,640.64 is: 452,162.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,365.37 : 752,635.26 = 327,640.64 : x
  2. Step 2: Convert to fraction form
    545,365.37/752,635.26 = 327,640.64/x
  3. Step 3: Cross multiply
    545,365.37x = 752,635.26 × 327,640.64
  4. Step 4: Simplify right side
    545,365.37x = 246,593,898,272.97
  5. Step 5: Solve for x
    x = 246,593,898,272.97/545,365.37
  6. Step 6: Final answer
    x = 452,162.74

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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.