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Finding the Fourth Proportional to 574,823.02, 793,217.82 and 345,243.90

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Solution

The fourth proportional to 574,823.02, 793,217.82 and 345,243.90 is: 476,413.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,823.02 : 793,217.82 = 345,243.90 : x
  2. Step 2: Convert to fraction form
    574,823.02/793,217.82 = 345,243.90/x
  3. Step 3: Cross multiply
    574,823.02x = 793,217.82 × 345,243.90
  4. Step 4: Simplify right side
    574,823.02x = 273,853,613,726.30
  5. Step 5: Solve for x
    x = 273,853,613,726.30/574,823.02
  6. Step 6: Final answer
    x = 476,413.79

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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.