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Finding the Fourth Proportional to 414,402.81, 622,774.26 and 245,954.61

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Solution

The fourth proportional to 414,402.81, 622,774.26 and 245,954.61 is: 369,626.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,402.81 : 622,774.26 = 245,954.61 : x
  2. Step 2: Convert to fraction form
    414,402.81/622,774.26 = 245,954.61/x
  3. Step 3: Cross multiply
    414,402.81x = 622,774.26 × 245,954.61
  4. Step 4: Simplify right side
    414,402.81x = 153,174,200,236.34
  5. Step 5: Solve for x
    x = 153,174,200,236.34/414,402.81
  6. Step 6: Final answer
    x = 369,626.36

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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.