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Finding the Fourth Proportional to 330,274.54, 455,776.29 and 179,371.54

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Solution

The fourth proportional to 330,274.54, 455,776.29 and 179,371.54 is: 247,531.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,274.54 : 455,776.29 = 179,371.54 : x
  2. Step 2: Convert to fraction form
    330,274.54/455,776.29 = 179,371.54/x
  3. Step 3: Cross multiply
    330,274.54x = 455,776.29 × 179,371.54
  4. Step 4: Simplify right side
    330,274.54x = 81,753,295,032.79
  5. Step 5: Solve for x
    x = 81,753,295,032.79/330,274.54
  6. Step 6: Final answer
    x = 247,531.33

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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.