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Finding the Fourth Proportional to 503,046.35, 694,203.46 and 288,187.27

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Solution

The fourth proportional to 503,046.35, 694,203.46 and 288,187.27 is: 397,698.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,046.35 : 694,203.46 = 288,187.27 : x
  2. Step 2: Convert to fraction form
    503,046.35/694,203.46 = 288,187.27/x
  3. Step 3: Cross multiply
    503,046.35x = 694,203.46 × 288,187.27
  4. Step 4: Simplify right side
    503,046.35x = 200,060,599,127.03
  5. Step 5: Solve for x
    x = 200,060,599,127.03/503,046.35
  6. Step 6: Final answer
    x = 397,698.14

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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.