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Finding the Fourth Proportional to 240,885.67, 332,578.21 and 154,883.27

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Solution

The fourth proportional to 240,885.67, 332,578.21 and 154,883.27 is: 213,839.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,885.67 : 332,578.21 = 154,883.27 : x
  2. Step 2: Convert to fraction form
    240,885.67/332,578.21 = 154,883.27/x
  3. Step 3: Cross multiply
    240,885.67x = 332,578.21 × 154,883.27
  4. Step 4: Simplify right side
    240,885.67x = 51,510,801,139.78
  5. Step 5: Solve for x
    x = 51,510,801,139.78/240,885.67
  6. Step 6: Final answer
    x = 213,839.21

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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.