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Finding the Fourth Proportional to 297,353.58, 410,350.85 and 161,388.73

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Solution

The fourth proportional to 297,353.58, 410,350.85 and 161,388.73 is: 222,718.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,353.58 : 410,350.85 = 161,388.73 : x
  2. Step 2: Convert to fraction form
    297,353.58/410,350.85 = 161,388.73/x
  3. Step 3: Cross multiply
    297,353.58x = 410,350.85 × 161,388.73
  4. Step 4: Simplify right side
    297,353.58x = 66,226,002,535.92
  5. Step 5: Solve for x
    x = 66,226,002,535.92/297,353.58
  6. Step 6: Final answer
    x = 222,718.03

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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.