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Finding the Fourth Proportional to 511,162.09, 766,751.09 and 151,369.34

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Solution

The fourth proportional to 511,162.09, 766,751.09 and 151,369.34 is: 227,056.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,162.09 : 766,751.09 = 151,369.34 : x
  2. Step 2: Convert to fraction form
    511,162.09/766,751.09 = 151,369.34/x
  3. Step 3: Cross multiply
    511,162.09x = 766,751.09 × 151,369.34
  4. Step 4: Simplify right side
    511,162.09x = 116,062,606,585.68
  5. Step 5: Solve for x
    x = 116,062,606,585.68/511,162.09
  6. Step 6: Final answer
    x = 227,056.36

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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.