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Finding the Fourth Proportional to 414,903.10, 622,354.65 and 394,167.10

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Solution

The fourth proportional to 414,903.10, 622,354.65 and 394,167.10 is: 591,250.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,903.10 : 622,354.65 = 394,167.10 : x
  2. Step 2: Convert to fraction form
    414,903.10/622,354.65 = 394,167.10/x
  3. Step 3: Cross multiply
    414,903.10x = 622,354.65 × 394,167.10
  4. Step 4: Simplify right side
    414,903.10x = 245,311,727,562.02
  5. Step 5: Solve for x
    x = 245,311,727,562.02/414,903.10
  6. Step 6: Final answer
    x = 591,250.65

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.