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Finding the Fourth Proportional to 751,435.21, 1,127,152 and 182,812.78

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Solution

The fourth proportional to 751,435.21, 1,127,152 and 182,812.78 is: 274,218.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,435.21 : 1,127,152 = 182,812.78 : x
  2. Step 2: Convert to fraction form
    751,435.21/1,127,152 = 182,812.78/x
  3. Step 3: Cross multiply
    751,435.21x = 1,127,152 × 182,812.78
  4. Step 4: Simplify right side
    751,435.21x = 206,057,790,602.56
  5. Step 5: Solve for x
    x = 206,057,790,602.56/751,435.21
  6. Step 6: Final answer
    x = 274,218.97

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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.