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Finding the Fourth Proportional to 451,555.75, 676,859.46 and 151,932.31

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Solution

The fourth proportional to 451,555.75, 676,859.46 and 151,932.31 is: 227,738.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,555.75 : 676,859.46 = 151,932.31 : x
  2. Step 2: Convert to fraction form
    451,555.75/676,859.46 = 151,932.31/x
  3. Step 3: Cross multiply
    451,555.75x = 676,859.46 × 151,932.31
  4. Step 4: Simplify right side
    451,555.75x = 102,836,821,303.15
  5. Step 5: Solve for x
    x = 102,836,821,303.15/451,555.75
  6. Step 6: Final answer
    x = 227,738.93

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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.