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Finding the Fourth Proportional to 395,963.84, 593,800.88 and 143,183.70

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Solution

The fourth proportional to 395,963.84, 593,800.88 and 143,183.70 is: 214,723.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,963.84 : 593,800.88 = 143,183.70 : x
  2. Step 2: Convert to fraction form
    395,963.84/593,800.88 = 143,183.70/x
  3. Step 3: Cross multiply
    395,963.84x = 593,800.88 × 143,183.70
  4. Step 4: Simplify right side
    395,963.84x = 85,022,606,345.74
  5. Step 5: Solve for x
    x = 85,022,606,345.74/395,963.84
  6. Step 6: Final answer
    x = 214,723.16

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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.