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Finding the Fourth Proportional to 371,559.60, 512,749.37 and 201,793.73

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Solution

The fourth proportional to 371,559.60, 512,749.37 and 201,793.73 is: 278,473.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,559.60 : 512,749.37 = 201,793.73 : x
  2. Step 2: Convert to fraction form
    371,559.60/512,749.37 = 201,793.73/x
  3. Step 3: Cross multiply
    371,559.60x = 512,749.37 × 201,793.73
  4. Step 4: Simplify right side
    371,559.60x = 103,469,604,354.74
  5. Step 5: Solve for x
    x = 103,469,604,354.74/371,559.60
  6. Step 6: Final answer
    x = 278,473.77

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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.