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Finding the Fourth Proportional to 449,553.77, 674,427.86 and 239,161.13

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Solution

The fourth proportional to 449,553.77, 674,427.86 and 239,161.13 is: 358,793.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,553.77 : 674,427.86 = 239,161.13 : x
  2. Step 2: Convert to fraction form
    449,553.77/674,427.86 = 239,161.13/x
  3. Step 3: Cross multiply
    449,553.77x = 674,427.86 × 239,161.13
  4. Step 4: Simplify right side
    449,553.77x = 161,296,927,905.28
  5. Step 5: Solve for x
    x = 161,296,927,905.28/449,553.77
  6. Step 6: Final answer
    x = 358,793.41

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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.