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Finding the Fourth Proportional to 328,155.78, 452,855.22 and 177,252.78

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Solution

The fourth proportional to 328,155.78, 452,855.22 and 177,252.78 is: 244,608.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,155.78 : 452,855.22 = 177,252.78 : x
  2. Step 2: Convert to fraction form
    328,155.78/452,855.22 = 177,252.78/x
  3. Step 3: Cross multiply
    328,155.78x = 452,855.22 × 177,252.78
  4. Step 4: Simplify right side
    328,155.78x = 80,269,846,682.51
  5. Step 5: Solve for x
    x = 80,269,846,682.51/328,155.78
  6. Step 6: Final answer
    x = 244,608.97

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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.