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Finding the Fourth Proportional to 573,183.64, 859,783.71 and 218,217.14

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Solution

The fourth proportional to 573,183.64, 859,783.71 and 218,217.14 is: 327,328.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,183.64 : 859,783.71 = 218,217.14 : x
  2. Step 2: Convert to fraction form
    573,183.64/859,783.71 = 218,217.14/x
  3. Step 3: Cross multiply
    573,183.64x = 859,783.71 × 218,217.14
  4. Step 4: Simplify right side
    573,183.64x = 187,619,541,958.37
  5. Step 5: Solve for x
    x = 187,619,541,958.37/573,183.64
  6. Step 6: Final answer
    x = 327,328.85

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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.