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Finding the Fourth Proportional to 1,169,571, 1,614,310.38 and 762,687.48

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Solution

The fourth proportional to 1,169,571, 1,614,310.38 and 762,687.48 is: 1,052,705.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,169,571 : 1,614,310.38 = 762,687.48 : x
  2. Step 2: Convert to fraction form
    1,169,571/1,614,310.38 = 762,687.48/x
  3. Step 3: Cross multiply
    1,169,571x = 1,614,310.38 × 762,687.48
  4. Step 4: Simplify right side
    1,169,571x = 1,231,214,315,660.04
  5. Step 5: Solve for x
    x = 1,231,214,315,660.04/1,169,571
  6. Step 6: Final answer
    x = 1,052,705.92

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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.