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Finding the Fourth Proportional to 329,964.86, 455,348.84 and 179,061.86

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Solution

The fourth proportional to 329,964.86, 455,348.84 and 179,061.86 is: 247,103.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,964.86 : 455,348.84 = 179,061.86 : x
  2. Step 2: Convert to fraction form
    329,964.86/455,348.84 = 179,061.86/x
  3. Step 3: Cross multiply
    329,964.86x = 455,348.84 × 179,061.86
  4. Step 4: Simplify right side
    329,964.86x = 81,535,610,239.24
  5. Step 5: Solve for x
    x = 81,535,610,239.24/329,964.86
  6. Step 6: Final answer
    x = 247,103.92

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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.