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Finding the Fourth Proportional to 328,578.53, 453,438.41 and 177,675.53

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Solution

The fourth proportional to 328,578.53, 453,438.41 and 177,675.53 is: 245,192.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,578.53 : 453,438.41 = 177,675.53 : x
  2. Step 2: Convert to fraction form
    328,578.53/453,438.41 = 177,675.53/x
  3. Step 3: Cross multiply
    328,578.53x = 453,438.41 × 177,675.53
  4. Step 4: Simplify right side
    328,578.53x = 80,564,906,663.54
  5. Step 5: Solve for x
    x = 80,564,906,663.54/328,578.53
  6. Step 6: Final answer
    x = 245,192.25

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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.