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Finding the Fourth Proportional to 330,258.97, 455,759.71 and 179,355.97

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Solution

The fourth proportional to 330,258.97, 455,759.71 and 179,355.97 is: 247,512.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,258.97 : 455,759.71 = 179,355.97 : x
  2. Step 2: Convert to fraction form
    330,258.97/455,759.71 = 179,355.97/x
  3. Step 3: Cross multiply
    330,258.97x = 455,759.71 × 179,355.97
  4. Step 4: Simplify right side
    330,258.97x = 81,743,226,004.16
  5. Step 5: Solve for x
    x = 81,743,226,004.16/330,258.97
  6. Step 6: Final answer
    x = 247,512.51

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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.