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Finding the Fourth Proportional to 451,661.59, 677,601.74 and 226,462.56

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Solution

The fourth proportional to 451,661.59, 677,601.74 and 226,462.56 is: 339,748.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,661.59 : 677,601.74 = 226,462.56 : x
  2. Step 2: Convert to fraction form
    451,661.59/677,601.74 = 226,462.56/x
  3. Step 3: Cross multiply
    451,661.59x = 677,601.74 × 226,462.56
  4. Step 4: Simplify right side
    451,661.59x = 153,451,424,700.85
  5. Step 5: Solve for x
    x = 153,451,424,700.85/451,661.59
  6. Step 6: Final answer
    x = 339,748.67

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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.