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Finding the Fourth Proportional to 605,453.94, 835,463.58 and 372,843.90

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Solution

The fourth proportional to 605,453.94, 835,463.58 and 372,843.90 is: 514,485.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,453.94 : 835,463.58 = 372,843.90 : x
  2. Step 2: Convert to fraction form
    605,453.94/835,463.58 = 372,843.90/x
  3. Step 3: Cross multiply
    605,453.94x = 835,463.58 × 372,843.90
  4. Step 4: Simplify right side
    605,453.94x = 311,497,499,475.16
  5. Step 5: Solve for x
    x = 311,497,499,475.16/605,453.94
  6. Step 6: Final answer
    x = 514,485.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.