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Finding the Fourth Proportional to 297,402.72, 446,121.38 and 84,152.76

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Solution

The fourth proportional to 297,402.72, 446,121.38 and 84,152.76 is: 126,234.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,402.72 : 446,121.38 = 84,152.76 : x
  2. Step 2: Convert to fraction form
    297,402.72/446,121.38 = 84,152.76/x
  3. Step 3: Cross multiply
    297,402.72x = 446,121.38 × 84,152.76
  4. Step 4: Simplify right side
    297,402.72x = 37,542,345,422.01
  5. Step 5: Solve for x
    x = 37,542,345,422.01/297,402.72
  6. Step 6: Final answer
    x = 126,234.04

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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.