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Finding the Fourth Proportional to 396,241.68, 546,811.68 and 214,953.72

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Solution

The fourth proportional to 396,241.68, 546,811.68 and 214,953.72 is: 296,635.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,241.68 : 546,811.68 = 214,953.72 : x
  2. Step 2: Convert to fraction form
    396,241.68/546,811.68 = 214,953.72/x
  3. Step 3: Cross multiply
    396,241.68x = 546,811.68 × 214,953.72
  4. Step 4: Simplify right side
    396,241.68x = 117,539,204,755.45
  5. Step 5: Solve for x
    x = 117,539,204,755.45/396,241.68
  6. Step 6: Final answer
    x = 296,635.14

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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.