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Finding the Fourth Proportional to 503,804.60, 755,050.80 and 204,039.80

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Solution

The fourth proportional to 503,804.60, 755,050.80 and 204,039.80 is: 305,793.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,804.60 : 755,050.80 = 204,039.80 : x
  2. Step 2: Convert to fraction form
    503,804.60/755,050.80 = 204,039.80/x
  3. Step 3: Cross multiply
    503,804.60x = 755,050.80 × 204,039.80
  4. Step 4: Simplify right side
    503,804.60x = 154,060,414,221.84
  5. Step 5: Solve for x
    x = 154,060,414,221.84/503,804.60
  6. Step 6: Final answer
    x = 305,793.98

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.