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Finding the Fourth Proportional to 374,608.10, 561,912.15 and 150,003.20

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Solution

The fourth proportional to 374,608.10, 561,912.15 and 150,003.20 is: 225,004.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,608.10 : 561,912.15 = 150,003.20 : x
  2. Step 2: Convert to fraction form
    374,608.10/561,912.15 = 150,003.20/x
  3. Step 3: Cross multiply
    374,608.10x = 561,912.15 × 150,003.20
  4. Step 4: Simplify right side
    374,608.10x = 84,288,620,618.88
  5. Step 5: Solve for x
    x = 84,288,620,618.88/374,608.10
  6. Step 6: Final answer
    x = 225,004.80

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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.