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Finding the Fourth Proportional to 329,970.64, 455,359.47 and 179,067.64

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Solution

The fourth proportional to 329,970.64, 455,359.47 and 179,067.64 is: 247,113.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,970.64 : 455,359.47 = 179,067.64 : x
  2. Step 2: Convert to fraction form
    329,970.64/455,359.47 = 179,067.64/x
  3. Step 3: Cross multiply
    329,970.64x = 455,359.47 × 179,067.64
  4. Step 4: Simplify right side
    329,970.64x = 81,540,145,644.55
  5. Step 5: Solve for x
    x = 81,540,145,644.55/329,970.64
  6. Step 6: Final answer
    x = 247,113.34

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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.