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Finding the Fourth Proportional to 323,028.71, 445,775.15 and 179,788.80

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Solution

The fourth proportional to 323,028.71, 445,775.15 and 179,788.80 is: 248,106.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,028.71 : 445,775.15 = 179,788.80 : x
  2. Step 2: Convert to fraction form
    323,028.71/445,775.15 = 179,788.80/x
  3. Step 3: Cross multiply
    323,028.71x = 445,775.15 × 179,788.80
  4. Step 4: Simplify right side
    323,028.71x = 80,145,379,737.79
  5. Step 5: Solve for x
    x = 80,145,379,737.79/323,028.71
  6. Step 6: Final answer
    x = 248,106.06

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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.