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Finding the Fourth Proportional to 807,736, 1,114,683.42 and 445,173.16

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Solution

The fourth proportional to 807,736, 1,114,683.42 and 445,173.16 is: 614,343.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,736 : 1,114,683.42 = 445,173.16 : x
  2. Step 2: Convert to fraction form
    807,736/1,114,683.42 = 445,173.16/x
  3. Step 3: Cross multiply
    807,736x = 1,114,683.42 × 445,173.16
  4. Step 4: Simplify right side
    807,736x = 496,227,140,481.01
  5. Step 5: Solve for x
    x = 496,227,140,481.01/807,736
  6. Step 6: Final answer
    x = 614,343.23

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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.