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Finding the Fourth Proportional to 329,963.66, 455,349.84 and 179,060.66

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Solution

The fourth proportional to 329,963.66, 455,349.84 and 179,060.66 is: 247,103.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,963.66 : 455,349.84 = 179,060.66 : x
  2. Step 2: Convert to fraction form
    329,963.66/455,349.84 = 179,060.66/x
  3. Step 3: Cross multiply
    329,963.66x = 455,349.84 × 179,060.66
  4. Step 4: Simplify right side
    329,963.66x = 81,535,240,604.55
  5. Step 5: Solve for x
    x = 81,535,240,604.55/329,963.66
  6. Step 6: Final answer
    x = 247,103.70

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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.