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Finding the Fourth Proportional to 624,425.72, 937,012.26 and 269,439.75

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Solution

The fourth proportional to 624,425.72, 937,012.26 and 269,439.75 is: 404,320.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,425.72 : 937,012.26 = 269,439.75 : x
  2. Step 2: Convert to fraction form
    624,425.72/937,012.26 = 269,439.75/x
  3. Step 3: Cross multiply
    624,425.72x = 937,012.26 × 269,439.75
  4. Step 4: Simplify right side
    624,425.72x = 252,468,349,081.34
  5. Step 5: Solve for x
    x = 252,468,349,081.34/624,425.72
  6. Step 6: Final answer
    x = 404,320.87

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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.