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Finding the Fourth Proportional to 328,074.71, 452,743.08 and 177,171.71

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Solution

The fourth proportional to 328,074.71, 452,743.08 and 177,171.71 is: 244,496.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,074.71 : 452,743.08 = 177,171.71 : x
  2. Step 2: Convert to fraction form
    328,074.71/452,743.08 = 177,171.71/x
  3. Step 3: Cross multiply
    328,074.71x = 452,743.08 × 177,171.71
  4. Step 4: Simplify right side
    328,074.71x = 80,213,265,674.27
  5. Step 5: Solve for x
    x = 80,213,265,674.27/328,074.71
  6. Step 6: Final answer
    x = 244,496.95

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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.