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Finding the Fourth Proportional to 451,791.56, 676,783.74 and 271,777.76

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Solution

The fourth proportional to 451,791.56, 676,783.74 and 271,777.76 is: 407,123.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,791.56 : 676,783.74 = 271,777.76 : x
  2. Step 2: Convert to fraction form
    451,791.56/676,783.74 = 271,777.76/x
  3. Step 3: Cross multiply
    451,791.56x = 676,783.74 × 271,777.76
  4. Step 4: Simplify right side
    451,791.56x = 183,934,768,861.62
  5. Step 5: Solve for x
    x = 183,934,768,861.62/451,791.56
  6. Step 6: Final answer
    x = 407,123.07

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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.