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Finding the Fourth Proportional to 297,157.19, 445,730.92 and 119,659.73

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Solution

The fourth proportional to 297,157.19, 445,730.92 and 119,659.73 is: 179,487.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,157.19 : 445,730.92 = 119,659.73 : x
  2. Step 2: Convert to fraction form
    297,157.19/445,730.92 = 119,659.73/x
  3. Step 3: Cross multiply
    297,157.19x = 445,730.92 × 119,659.73
  4. Step 4: Simplify right side
    297,157.19x = 53,336,041,539.85
  5. Step 5: Solve for x
    x = 53,336,041,539.85/297,157.19
  6. Step 6: Final answer
    x = 179,487.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.