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Finding the Fourth Proportional to 503,352.72, 694,617.77 and 273,902.18

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Solution

The fourth proportional to 503,352.72, 694,617.77 and 273,902.18 is: 377,980.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,352.72 : 694,617.77 = 273,902.18 : x
  2. Step 2: Convert to fraction form
    503,352.72/694,617.77 = 273,902.18/x
  3. Step 3: Cross multiply
    503,352.72x = 694,617.77 × 273,902.18
  4. Step 4: Simplify right side
    503,352.72x = 190,257,321,469.74
  5. Step 5: Solve for x
    x = 190,257,321,469.74/503,352.72
  6. Step 6: Final answer
    x = 377,980.12

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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.