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Finding the Fourth Proportional to 239,540.57, 330,482.49 and 153,546.96

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Solution

The fourth proportional to 239,540.57, 330,482.49 and 153,546.96 is: 211,841.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,540.57 : 330,482.49 = 153,546.96 : x
  2. Step 2: Convert to fraction form
    239,540.57/330,482.49 = 153,546.96/x
  3. Step 3: Cross multiply
    239,540.57x = 330,482.49 × 153,546.96
  4. Step 4: Simplify right side
    239,540.57x = 50,744,581,672.73
  5. Step 5: Solve for x
    x = 50,744,581,672.73/239,540.57
  6. Step 6: Final answer
    x = 211,841.29

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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.