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Finding the Fourth Proportional to 396,672.99, 547,403.12 and 224,586.51

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Solution

The fourth proportional to 396,672.99, 547,403.12 and 224,586.51 is: 309,926.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,672.99 : 547,403.12 = 224,586.51 : x
  2. Step 2: Convert to fraction form
    396,672.99/547,403.12 = 224,586.51/x
  3. Step 3: Cross multiply
    396,672.99x = 547,403.12 × 224,586.51
  4. Step 4: Simplify right side
    396,672.99x = 122,939,355,160.98
  5. Step 5: Solve for x
    x = 122,939,355,160.98/396,672.99
  6. Step 6: Final answer
    x = 309,926.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.