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Finding the Fourth Proportional to 364,845.36, 503,481.70 and 203,702.88

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Solution

The fourth proportional to 364,845.36, 503,481.70 and 203,702.88 is: 281,107.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,845.36 : 503,481.70 = 203,702.88 : x
  2. Step 2: Convert to fraction form
    364,845.36/503,481.70 = 203,702.88/x
  3. Step 3: Cross multiply
    364,845.36x = 503,481.70 × 203,702.88
  4. Step 4: Simplify right side
    364,845.36x = 102,560,672,317.30
  5. Step 5: Solve for x
    x = 102,560,672,317.30/364,845.36
  6. Step 6: Final answer
    x = 281,107.24

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1.5x scale

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.