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Finding the Fourth Proportional to 328,295.43, 453,047.99 and 177,392.43

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Solution

The fourth proportional to 328,295.43, 453,047.99 and 177,392.43 is: 244,801.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,295.43 : 453,047.99 = 177,392.43 : x
  2. Step 2: Convert to fraction form
    328,295.43/453,047.99 = 177,392.43/x
  3. Step 3: Cross multiply
    328,295.43x = 453,047.99 × 177,392.43
  4. Step 4: Simplify right side
    328,295.43x = 80,367,282,965.75
  5. Step 5: Solve for x
    x = 80,367,282,965.75/328,295.43
  6. Step 6: Final answer
    x = 244,801.71

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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.