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Finding the Fourth Proportional to 329,964.93, 455,351.90 and 179,061.93

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Solution

The fourth proportional to 329,964.93, 455,351.90 and 179,061.93 is: 247,105.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,964.93 : 455,351.90 = 179,061.93 : x
  2. Step 2: Convert to fraction form
    329,964.93/455,351.90 = 179,061.93/x
  3. Step 3: Cross multiply
    329,964.93x = 455,351.90 × 179,061.93
  4. Step 4: Simplify right side
    329,964.93x = 81,536,189,147.86
  5. Step 5: Solve for x
    x = 81,536,189,147.86/329,964.93
  6. Step 6: Final answer
    x = 247,105.62

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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.