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Finding the Fourth Proportional to 323,020.60, 445,763.98 and 179,780.62

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Solution

The fourth proportional to 323,020.60, 445,763.98 and 179,780.62 is: 248,094.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,020.60 : 445,763.98 = 179,780.62 : x
  2. Step 2: Convert to fraction form
    323,020.60/445,763.98 = 179,780.62/x
  3. Step 3: Cross multiply
    323,020.60x = 445,763.98 × 179,780.62
  4. Step 4: Simplify right side
    323,020.60x = 80,139,724,698.07
  5. Step 5: Solve for x
    x = 80,139,724,698.07/323,020.60
  6. Step 6: Final answer
    x = 248,094.78

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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.