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Finding the Fourth Proportional to 414,527.41, 621,791.12 and 115,008.04

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Solution

The fourth proportional to 414,527.41, 621,791.12 and 115,008.04 is: 172,512.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,527.41 : 621,791.12 = 115,008.04 : x
  2. Step 2: Convert to fraction form
    414,527.41/621,791.12 = 115,008.04/x
  3. Step 3: Cross multiply
    414,527.41x = 621,791.12 × 115,008.04
  4. Step 4: Simplify right side
    414,527.41x = 71,510,978,000.60
  5. Step 5: Solve for x
    x = 71,510,978,000.60/414,527.41
  6. Step 6: Final answer
    x = 172,512.06

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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.