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Finding the Fourth Proportional to 649,969.82, 897,183.79 and 446,693.64

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Solution

The fourth proportional to 649,969.82, 897,183.79 and 446,693.64 is: 616,592.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,969.82 : 897,183.79 = 446,693.64 : x
  2. Step 2: Convert to fraction form
    649,969.82/897,183.79 = 446,693.64/x
  3. Step 3: Cross multiply
    649,969.82x = 897,183.79 × 446,693.64
  4. Step 4: Simplify right side
    649,969.82x = 400,766,290,935.57
  5. Step 5: Solve for x
    x = 400,766,290,935.57/649,969.82
  6. Step 6: Final answer
    x = 616,592.15

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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.