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Finding the Fourth Proportional to 329,963.10, 455,346.78 and 179,060.10

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Solution

The fourth proportional to 329,963.10, 455,346.78 and 179,060.10 is: 247,101.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,963.10 : 455,346.78 = 179,060.10 : x
  2. Step 2: Convert to fraction form
    329,963.10/455,346.78 = 179,060.10/x
  3. Step 3: Cross multiply
    329,963.10x = 455,346.78 × 179,060.10
  4. Step 4: Simplify right side
    329,963.10x = 81,534,439,961.48
  5. Step 5: Solve for x
    x = 81,534,439,961.48/329,963.10
  6. Step 6: Final answer
    x = 247,101.69

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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.