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Finding the Fourth Proportional to 396,777.54, 547,236.38 and 260,950.94

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Solution

The fourth proportional to 396,777.54, 547,236.38 and 260,950.94 is: 359,904.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,777.54 : 547,236.38 = 260,950.94 : x
  2. Step 2: Convert to fraction form
    396,777.54/547,236.38 = 260,950.94/x
  3. Step 3: Cross multiply
    396,777.54x = 547,236.38 × 260,950.94
  4. Step 4: Simplify right side
    396,777.54x = 142,801,848,536.71
  5. Step 5: Solve for x
    x = 142,801,848,536.71/396,777.54
  6. Step 6: Final answer
    x = 359,904.06

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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.