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Finding the Fourth Proportional to 329,935.52, 455,319.84 and 179,032.64

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Solution

The fourth proportional to 329,935.52, 455,319.84 and 179,032.64 is: 247,069.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,935.52 : 455,319.84 = 179,032.64 : x
  2. Step 2: Convert to fraction form
    329,935.52/455,319.84 = 179,032.64/x
  3. Step 3: Cross multiply
    329,935.52x = 455,319.84 × 179,032.64
  4. Step 4: Simplify right side
    329,935.52x = 81,517,112,999.58
  5. Step 5: Solve for x
    x = 81,517,112,999.58/329,935.52
  6. Step 6: Final answer
    x = 247,069.83

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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.