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Finding the Fourth Proportional to 396,087.57, 546,631.03 and 224,008.94

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Solution

The fourth proportional to 396,087.57, 546,631.03 and 224,008.94 is: 309,149.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,087.57 : 546,631.03 = 224,008.94 : x
  2. Step 2: Convert to fraction form
    396,087.57/546,631.03 = 224,008.94/x
  3. Step 3: Cross multiply
    396,087.57x = 546,631.03 × 224,008.94
  4. Step 4: Simplify right side
    396,087.57x = 122,450,239,248.00
  5. Step 5: Solve for x
    x = 122,450,239,248.00/396,087.57
  6. Step 6: Final answer
    x = 309,149.41

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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.