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Finding the Fourth Proportional to 364,391.03, 502,858.32 and 203,245.96

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Solution

The fourth proportional to 364,391.03, 502,858.32 and 203,245.96 is: 280,478.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,391.03 : 502,858.32 = 203,245.96 : x
  2. Step 2: Convert to fraction form
    364,391.03/502,858.32 = 203,245.96/x
  3. Step 3: Cross multiply
    364,391.03x = 502,858.32 × 203,245.96
  4. Step 4: Simplify right side
    364,391.03x = 102,203,921,992.39
  5. Step 5: Solve for x
    x = 102,203,921,992.39/364,391.03
  6. Step 6: Final answer
    x = 280,478.70

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.