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Finding the Fourth Proportional to 328,155.50, 452,854.77 and 177,252.50

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Solution

The fourth proportional to 328,155.50, 452,854.77 and 177,252.50 is: 244,608.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,155.50 : 452,854.77 = 177,252.50 : x
  2. Step 2: Convert to fraction form
    328,155.50/452,854.77 = 177,252.50/x
  3. Step 3: Cross multiply
    328,155.50x = 452,854.77 × 177,252.50
  4. Step 4: Simplify right side
    328,155.50x = 80,269,640,119.43
  5. Step 5: Solve for x
    x = 80,269,640,119.43/328,155.50
  6. Step 6: Final answer
    x = 244,608.55

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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.