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Finding the Fourth Proportional to 396,109.56, 546,602.94 and 224,026.68

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Solution

The fourth proportional to 396,109.56, 546,602.94 and 224,026.68 is: 309,140.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,109.56 : 546,602.94 = 224,026.68 : x
  2. Step 2: Convert to fraction form
    396,109.56/546,602.94 = 224,026.68/x
  3. Step 3: Cross multiply
    396,109.56x = 546,602.94 × 224,026.68
  4. Step 4: Simplify right side
    396,109.56x = 122,453,641,926.44
  5. Step 5: Solve for x
    x = 122,453,641,926.44/396,109.56
  6. Step 6: Final answer
    x = 309,140.84

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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.