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Finding the Fourth Proportional to 449,542.66, 674,352.87 and 183,321.58

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Solution

The fourth proportional to 449,542.66, 674,352.87 and 183,321.58 is: 274,998.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,542.66 : 674,352.87 = 183,321.58 : x
  2. Step 2: Convert to fraction form
    449,542.66/674,352.87 = 183,321.58/x
  3. Step 3: Cross multiply
    449,542.66x = 674,352.87 × 183,321.58
  4. Step 4: Simplify right side
    449,542.66x = 123,623,433,605.94
  5. Step 5: Solve for x
    x = 123,623,433,605.94/449,542.66
  6. Step 6: Final answer
    x = 274,998.23

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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.