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Finding the Fourth Proportional to 367,440.96, 550,691.64 and 319,861.56

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Solution

The fourth proportional to 367,440.96, 550,691.64 and 319,861.56 is: 479,383.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,440.96 : 550,691.64 = 319,861.56 : x
  2. Step 2: Convert to fraction form
    367,440.96/550,691.64 = 319,861.56/x
  3. Step 3: Cross multiply
    367,440.96x = 550,691.64 × 319,861.56
  4. Step 4: Simplify right side
    367,440.96x = 176,145,087,049.36
  5. Step 5: Solve for x
    x = 176,145,087,049.36/367,440.96
  6. Step 6: Final answer
    x = 479,383.37

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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.