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Finding the Fourth Proportional to 503,797.60, 755,040.30 and 204,032.80

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Solution

The fourth proportional to 503,797.60, 755,040.30 and 204,032.80 is: 305,783.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,797.60 : 755,040.30 = 204,032.80 : x
  2. Step 2: Convert to fraction form
    503,797.60/755,040.30 = 204,032.80/x
  3. Step 3: Cross multiply
    503,797.60x = 755,040.30 × 204,032.80
  4. Step 4: Simplify right side
    503,797.60x = 154,052,986,521.84
  5. Step 5: Solve for x
    x = 154,052,986,521.84/503,797.60
  6. Step 6: Final answer
    x = 305,783.49

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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.