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Finding the Fourth Proportional to 503,208.28, 694,432.92 and 273,766.86

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Solution

The fourth proportional to 503,208.28, 694,432.92 and 273,766.86 is: 377,801.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,208.28 : 694,432.92 = 273,766.86 : x
  2. Step 2: Convert to fraction form
    503,208.28/694,432.92 = 273,766.86/x
  3. Step 3: Cross multiply
    503,208.28x = 694,432.92 × 273,766.86
  4. Step 4: Simplify right side
    503,208.28x = 190,112,719,989.03
  5. Step 5: Solve for x
    x = 190,112,719,989.03/503,208.28
  6. Step 6: Final answer
    x = 377,801.26

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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.