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Finding the Fourth Proportional to 260,009.53, 389,348.46 and 179,936.63

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Solution

The fourth proportional to 260,009.53, 389,348.46 and 179,936.63 is: 269,444.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,009.53 : 389,348.46 = 179,936.63 : x
  2. Step 2: Convert to fraction form
    260,009.53/389,348.46 = 179,936.63/x
  3. Step 3: Cross multiply
    260,009.53x = 389,348.46 × 179,936.63
  4. Step 4: Simplify right side
    260,009.53x = 70,058,048,500.85
  5. Step 5: Solve for x
    x = 70,058,048,500.85/260,009.53
  6. Step 6: Final answer
    x = 269,444.15

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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.