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Finding the Fourth Proportional to 809,280.39, 1,116,807 and 446,704.34

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Solution

The fourth proportional to 809,280.39, 1,116,807 and 446,704.34 is: 616,452.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,280.39 : 1,116,807 = 446,704.34 : x
  2. Step 2: Convert to fraction form
    809,280.39/1,116,807 = 446,704.34/x
  3. Step 3: Cross multiply
    809,280.39x = 1,116,807 × 446,704.34
  4. Step 4: Simplify right side
    809,280.39x = 498,882,536,634.40
  5. Step 5: Solve for x
    x = 498,882,536,634.40/809,280.39
  6. Step 6: Final answer
    x = 616,452.03

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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.