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Finding the Fourth Proportional to 273,663.81, 410,625.68 and 189,553.41

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Solution

The fourth proportional to 273,663.81, 410,625.68 and 189,553.41 is: 284,420.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,663.81 : 410,625.68 = 189,553.41 : x
  2. Step 2: Convert to fraction form
    273,663.81/410,625.68 = 189,553.41/x
  3. Step 3: Cross multiply
    273,663.81x = 410,625.68 × 189,553.41
  4. Step 4: Simplify right side
    273,663.81x = 77,835,496,929.80
  5. Step 5: Solve for x
    x = 77,835,496,929.80/273,663.81
  6. Step 6: Final answer
    x = 284,420.13

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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.