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Finding the Fourth Proportional to 250,424.70, 345,524.09 and 148,474.05

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Solution

The fourth proportional to 250,424.70, 345,524.09 and 148,474.05 is: 204,857.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,424.70 : 345,524.09 = 148,474.05 : x
  2. Step 2: Convert to fraction form
    250,424.70/345,524.09 = 148,474.05/x
  3. Step 3: Cross multiply
    250,424.70x = 345,524.09 × 148,474.05
  4. Step 4: Simplify right side
    250,424.70x = 51,301,361,014.86
  5. Step 5: Solve for x
    x = 51,301,361,014.86/250,424.70
  6. Step 6: Final answer
    x = 204,857.43

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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.