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Finding the Fourth Proportional to 260,546.54, 390,548.84 and 100,732.24

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Solution

The fourth proportional to 260,546.54, 390,548.84 and 100,732.24 is: 150,993.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,546.54 : 390,548.84 = 100,732.24 : x
  2. Step 2: Convert to fraction form
    260,546.54/390,548.84 = 100,732.24/x
  3. Step 3: Cross multiply
    260,546.54x = 390,548.84 × 100,732.24
  4. Step 4: Simplify right side
    260,546.54x = 39,340,857,529.86
  5. Step 5: Solve for x
    x = 39,340,857,529.86/260,546.54
  6. Step 6: Final answer
    x = 150,993.59

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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.