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Finding the Fourth Proportional to 245,847.56, 339,248.96 and 150,335.80

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Solution

The fourth proportional to 245,847.56, 339,248.96 and 150,335.80 is: 207,450.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,847.56 : 339,248.96 = 150,335.80 : x
  2. Step 2: Convert to fraction form
    245,847.56/339,248.96 = 150,335.80/x
  3. Step 3: Cross multiply
    245,847.56x = 339,248.96 × 150,335.80
  4. Step 4: Simplify right side
    245,847.56x = 51,001,262,764.73
  5. Step 5: Solve for x
    x = 51,001,262,764.73/245,847.56
  6. Step 6: Final answer
    x = 207,450.76

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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.