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Finding the Fourth Proportional to 297,793.36, 410,953.49 and 161,824.73

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Solution

The fourth proportional to 297,793.36, 410,953.49 and 161,824.73 is: 223,317.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,793.36 : 410,953.49 = 161,824.73 : x
  2. Step 2: Convert to fraction form
    297,793.36/410,953.49 = 161,824.73/x
  3. Step 3: Cross multiply
    297,793.36x = 410,953.49 × 161,824.73
  4. Step 4: Simplify right side
    297,793.36x = 66,502,436,752.68
  5. Step 5: Solve for x
    x = 66,502,436,752.68/297,793.36
  6. Step 6: Final answer
    x = 223,317.40

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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.