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Finding the Fourth Proportional to 424,126.68, 585,495.22 and 269,155.88

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Solution

The fourth proportional to 424,126.68, 585,495.22 and 269,155.88 is: 371,562.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,126.68 : 585,495.22 = 269,155.88 : x
  2. Step 2: Convert to fraction form
    424,126.68/585,495.22 = 269,155.88/x
  3. Step 3: Cross multiply
    424,126.68x = 585,495.22 × 269,155.88
  4. Step 4: Simplify right side
    424,126.68x = 157,589,481,174.89
  5. Step 5: Solve for x
    x = 157,589,481,174.89/424,126.68
  6. Step 6: Final answer
    x = 371,562.29

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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.