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Finding the Fourth Proportional to 328,128.88, 452,818.16 and 177,225.88

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Solution

The fourth proportional to 328,128.88, 452,818.16 and 177,225.88 is: 244,571.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,128.88 : 452,818.16 = 177,225.88 : x
  2. Step 2: Convert to fraction form
    328,128.88/452,818.16 = 177,225.88/x
  3. Step 3: Cross multiply
    328,128.88x = 452,818.16 × 177,225.88
  4. Step 4: Simplify right side
    328,128.88x = 80,251,093,735.76
  5. Step 5: Solve for x
    x = 80,251,093,735.76/328,128.88
  6. Step 6: Final answer
    x = 244,571.87

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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.