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Finding the Fourth Proportional to 414,391.04, 621,524.97 and 114,840.38

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Solution

The fourth proportional to 414,391.04, 621,524.97 and 114,840.38 is: 172,243.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,391.04 : 621,524.97 = 114,840.38 : x
  2. Step 2: Convert to fraction form
    414,391.04/621,524.97 = 114,840.38/x
  3. Step 3: Cross multiply
    414,391.04x = 621,524.97 × 114,840.38
  4. Step 4: Simplify right side
    414,391.04x = 71,376,160,626.66
  5. Step 5: Solve for x
    x = 71,376,160,626.66/414,391.04
  6. Step 6: Final answer
    x = 172,243.50

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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.