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Finding the Fourth Proportional to 322,387.38, 444,898.62 and 177,209.02

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Solution

The fourth proportional to 322,387.38, 444,898.62 and 177,209.02 is: 244,550.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,387.38 : 444,898.62 = 177,209.02 : x
  2. Step 2: Convert to fraction form
    322,387.38/444,898.62 = 177,209.02/x
  3. Step 3: Cross multiply
    322,387.38x = 444,898.62 × 177,209.02
  4. Step 4: Simplify right side
    322,387.38x = 78,840,048,449.55
  5. Step 5: Solve for x
    x = 78,840,048,449.55/322,387.38
  6. Step 6: Final answer
    x = 244,550.67

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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.