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Finding the Fourth Proportional to 440,725.44, 660,201.12 and 203,741.76

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Solution

The fourth proportional to 440,725.44, 660,201.12 and 203,741.76 is: 305,202.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,725.44 : 660,201.12 = 203,741.76 : x
  2. Step 2: Convert to fraction form
    440,725.44/660,201.12 = 203,741.76/x
  3. Step 3: Cross multiply
    440,725.44x = 660,201.12 × 203,741.76
  4. Step 4: Simplify right side
    440,725.44x = 134,510,538,142.77
  5. Step 5: Solve for x
    x = 134,510,538,142.77/440,725.44
  6. Step 6: Final answer
    x = 305,202.57

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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.