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Finding the Fourth Proportional to 264,722.20, 396,564.90 and 159,227.80

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Solution

The fourth proportional to 264,722.20, 396,564.90 and 159,227.80 is: 238,529.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,722.20 : 396,564.90 = 159,227.80 : x
  2. Step 2: Convert to fraction form
    264,722.20/396,564.90 = 159,227.80/x
  3. Step 3: Cross multiply
    264,722.20x = 396,564.90 × 159,227.80
  4. Step 4: Simplify right side
    264,722.20x = 63,144,156,584.22
  5. Step 5: Solve for x
    x = 63,144,156,584.22/264,722.20
  6. Step 6: Final answer
    x = 238,529.89

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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.