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Finding the Fourth Proportional to 330,274.44, 455,781.06 and 179,371.44

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Solution

The fourth proportional to 330,274.44, 455,781.06 and 179,371.44 is: 247,533.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,274.44 : 455,781.06 = 179,371.44 : x
  2. Step 2: Convert to fraction form
    330,274.44/455,781.06 = 179,371.44/x
  3. Step 3: Cross multiply
    330,274.44x = 455,781.06 × 179,371.44
  4. Step 4: Simplify right side
    330,274.44x = 81,754,105,056.93
  5. Step 5: Solve for x
    x = 81,754,105,056.93/330,274.44
  6. Step 6: Final answer
    x = 247,533.85

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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.