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Finding the Fourth Proportional to 503,155.13, 694,366.70 and 273,725.33

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Solution

The fourth proportional to 503,155.13, 694,366.70 and 273,725.33 is: 377,747.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,155.13 : 694,366.70 = 273,725.33 : x
  2. Step 2: Convert to fraction form
    503,155.13/694,366.70 = 273,725.33/x
  3. Step 3: Cross multiply
    503,155.13x = 694,366.70 × 273,725.33
  4. Step 4: Simplify right side
    503,155.13x = 190,065,749,258.05
  5. Step 5: Solve for x
    x = 190,065,749,258.05/503,155.13
  6. Step 6: Final answer
    x = 377,747.82

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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.