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Finding the Fourth Proportional to 503,290.79, 694,520.46 and 273,849.02

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Solution

The fourth proportional to 503,290.79, 694,520.46 and 273,849.02 is: 377,900.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,290.79 : 694,520.46 = 273,849.02 : x
  2. Step 2: Convert to fraction form
    503,290.79/694,520.46 = 273,849.02/x
  3. Step 3: Cross multiply
    503,290.79x = 694,520.46 × 273,849.02
  4. Step 4: Simplify right side
    503,290.79x = 190,193,747,340.95
  5. Step 5: Solve for x
    x = 190,193,747,340.95/503,290.79
  6. Step 6: Final answer
    x = 377,900.31

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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.