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Finding the Fourth Proportional to 328,080.27, 452,750.78 and 177,177.27

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Solution

The fourth proportional to 328,080.27, 452,750.78 and 177,177.27 is: 244,504.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,080.27 : 452,750.78 = 177,177.27 : x
  2. Step 2: Convert to fraction form
    328,080.27/452,750.78 = 177,177.27/x
  3. Step 3: Cross multiply
    328,080.27x = 452,750.78 × 177,177.27
  4. Step 4: Simplify right side
    328,080.27x = 80,217,146,304.88
  5. Step 5: Solve for x
    x = 80,217,146,304.88/328,080.27
  6. Step 6: Final answer
    x = 244,504.63

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1.5x scale

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.