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Finding the Fourth Proportional to 221,491.85, 332,237.78 and 221,491.85

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Solution

The fourth proportional to 221,491.85, 332,237.78 and 221,491.85 is: 332,237.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,491.85 : 332,237.78 = 221,491.85 : x
  2. Step 2: Convert to fraction form
    221,491.85/332,237.78 = 221,491.85/x
  3. Step 3: Cross multiply
    221,491.85x = 332,237.78 × 221,491.85
  4. Step 4: Simplify right side
    221,491.85x = 73,587,960,532.09
  5. Step 5: Solve for x
    x = 73,587,960,532.09/221,491.85
  6. Step 6: Final answer
    x = 332,237.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.