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Finding the Fourth Proportional to 396,246.42, 546,676.56 and 260,353.56

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Solution

The fourth proportional to 396,246.42, 546,676.56 and 260,353.56 is: 359,193.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,246.42 : 546,676.56 = 260,353.56 : x
  2. Step 2: Convert to fraction form
    396,246.42/546,676.56 = 260,353.56/x
  3. Step 3: Cross multiply
    396,246.42x = 546,676.56 × 260,353.56
  4. Step 4: Simplify right side
    396,246.42x = 142,329,188,564.55
  5. Step 5: Solve for x
    x = 142,329,188,564.55/396,246.42
  6. Step 6: Final answer
    x = 359,193.63

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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.