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Finding the Fourth Proportional to 624,651.20, 937,414.20 and 269,919.80

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Solution

The fourth proportional to 624,651.20, 937,414.20 and 269,919.80 is: 405,068.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,651.20 : 937,414.20 = 269,919.80 : x
  2. Step 2: Convert to fraction form
    624,651.20/937,414.20 = 269,919.80/x
  3. Step 3: Cross multiply
    624,651.20x = 937,414.20 × 269,919.80
  4. Step 4: Simplify right side
    624,651.20x = 253,026,653,381.16
  5. Step 5: Solve for x
    x = 253,026,653,381.16/624,651.20
  6. Step 6: Final answer
    x = 405,068.71

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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.