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Finding the Fourth Proportional to 329,907.16, 455,274.31 and 179,004.16

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Solution

The fourth proportional to 329,907.16, 455,274.31 and 179,004.16 is: 247,027.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,907.16 : 455,274.31 = 179,004.16 : x
  2. Step 2: Convert to fraction form
    329,907.16/455,274.31 = 179,004.16/x
  3. Step 3: Cross multiply
    329,907.16x = 455,274.31 × 179,004.16
  4. Step 4: Simplify right side
    329,907.16x = 81,495,993,845.43
  5. Step 5: Solve for x
    x = 81,495,993,845.43/329,907.16
  6. Step 6: Final answer
    x = 247,027.06

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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.