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Finding the Fourth Proportional to 482,872.24, 666,351.24 and 268,006

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Solution

The fourth proportional to 482,872.24, 666,351.24 and 268,006 is: 369,841.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,872.24 : 666,351.24 = 268,006 : x
  2. Step 2: Convert to fraction form
    482,872.24/666,351.24 = 268,006/x
  3. Step 3: Cross multiply
    482,872.24x = 666,351.24 × 268,006
  4. Step 4: Simplify right side
    482,872.24x = 178,586,130,427.44
  5. Step 5: Solve for x
    x = 178,586,130,427.44/482,872.24
  6. Step 6: Final answer
    x = 369,841.37

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.