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Finding the Fourth Proportional to 396,486.88, 547,160.04 and 224,404.84

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Solution

The fourth proportional to 396,486.88, 547,160.04 and 224,404.84 is: 309,683.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,486.88 : 547,160.04 = 224,404.84 : x
  2. Step 2: Convert to fraction form
    396,486.88/547,160.04 = 224,404.84/x
  3. Step 3: Cross multiply
    396,486.88x = 547,160.04 × 224,404.84
  4. Step 4: Simplify right side
    396,486.88x = 122,785,361,230.59
  5. Step 5: Solve for x
    x = 122,785,361,230.59/396,486.88
  6. Step 6: Final answer
    x = 309,683.29

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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.