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Finding the Fourth Proportional to 299,956.25, 450,100.45 and 179,717.72

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Solution

The fourth proportional to 299,956.25, 450,100.45 and 179,717.72 is: 269,676.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,956.25 : 450,100.45 = 179,717.72 : x
  2. Step 2: Convert to fraction form
    299,956.25/450,100.45 = 179,717.72/x
  3. Step 3: Cross multiply
    299,956.25x = 450,100.45 × 179,717.72
  4. Step 4: Simplify right side
    299,956.25x = 80,891,026,644.97
  5. Step 5: Solve for x
    x = 80,891,026,644.97/299,956.25
  6. Step 6: Final answer
    x = 269,676.08

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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.