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Finding the Fourth Proportional to 489,039.40, 733,559.10 and 252,843.40

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Solution

The fourth proportional to 489,039.40, 733,559.10 and 252,843.40 is: 379,265.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,039.40 : 733,559.10 = 252,843.40 : x
  2. Step 2: Convert to fraction form
    489,039.40/733,559.10 = 252,843.40/x
  3. Step 3: Cross multiply
    489,039.40x = 733,559.10 × 252,843.40
  4. Step 4: Simplify right side
    489,039.40x = 185,475,576,944.94
  5. Step 5: Solve for x
    x = 185,475,576,944.94/489,039.40
  6. Step 6: Final answer
    x = 379,265.10

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Similar ratio
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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.