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Finding the Fourth Proportional to 827,057.10, 1,160,241.90 and 827,057.10

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Solution

The fourth proportional to 827,057.10, 1,160,241.90 and 827,057.10 is: 1,160,241.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,057.10 : 1,160,241.90 = 827,057.10 : x
  2. Step 2: Convert to fraction form
    827,057.10/1,160,241.90 = 827,057.10/x
  3. Step 3: Cross multiply
    827,057.10x = 1,160,241.90 × 827,057.10
  4. Step 4: Simplify right side
    827,057.10x = 959,586,301,112.49
  5. Step 5: Solve for x
    x = 959,586,301,112.49/827,057.10
  6. Step 6: Final answer
    x = 1,160,241.90

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.