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Finding the Fourth Proportional to 492,127.88, 679,136.41 and 265,773.38

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Solution

The fourth proportional to 492,127.88, 679,136.41 and 265,773.38 is: 366,767.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,127.88 : 679,136.41 = 265,773.38 : x
  2. Step 2: Convert to fraction form
    492,127.88/679,136.41 = 265,773.38/x
  3. Step 3: Cross multiply
    492,127.88x = 679,136.41 × 265,773.38
  4. Step 4: Simplify right side
    492,127.88x = 180,496,379,166.77
  5. Step 5: Solve for x
    x = 180,496,379,166.77/492,127.88
  6. Step 6: Final answer
    x = 366,767.23

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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.