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Finding the Fourth Proportional to 574,806.97, 792,958.90 and 446,605.21

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Solution

The fourth proportional to 574,806.97, 792,958.90 and 446,605.21 is: 616,101.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,806.97 : 792,958.90 = 446,605.21 : x
  2. Step 2: Convert to fraction form
    574,806.97/792,958.90 = 446,605.21/x
  3. Step 3: Cross multiply
    574,806.97x = 792,958.90 × 446,605.21
  4. Step 4: Simplify right side
    574,806.97x = 354,139,576,055.87
  5. Step 5: Solve for x
    x = 354,139,576,055.87/574,806.97
  6. Step 6: Final answer
    x = 616,101.74

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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.