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Finding the Fourth Proportional to 655,892.40, 984,299.40 and 282,183.60

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Solution

The fourth proportional to 655,892.40, 984,299.40 and 282,183.60 is: 423,473.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,892.40 : 984,299.40 = 282,183.60 : x
  2. Step 2: Convert to fraction form
    655,892.40/984,299.40 = 282,183.60/x
  3. Step 3: Cross multiply
    655,892.40x = 984,299.40 × 282,183.60
  4. Step 4: Simplify right side
    655,892.40x = 277,753,148,169.84
  5. Step 5: Solve for x
    x = 277,753,148,169.84/655,892.40
  6. Step 6: Final answer
    x = 423,473.65

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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.