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Finding the Fourth Proportional to 373,141.53, 516,415.22 and 364,187.31

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Solution

The fourth proportional to 373,141.53, 516,415.22 and 364,187.31 is: 504,022.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,141.53 : 516,415.22 = 364,187.31 : x
  2. Step 2: Convert to fraction form
    373,141.53/516,415.22 = 364,187.31/x
  3. Step 3: Cross multiply
    373,141.53x = 516,415.22 × 364,187.31
  4. Step 4: Simplify right side
    373,141.53x = 188,071,867,993.92
  5. Step 5: Solve for x
    x = 188,071,867,993.92/373,141.53
  6. Step 6: Final answer
    x = 504,022.88

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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.