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Finding the Fourth Proportional to 297,717.30, 446,057.55 and 256,245.30

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Solution

The fourth proportional to 297,717.30, 446,057.55 and 256,245.30 is: 383,921.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,717.30 : 446,057.55 = 256,245.30 : x
  2. Step 2: Convert to fraction form
    297,717.30/446,057.55 = 256,245.30/x
  3. Step 3: Cross multiply
    297,717.30x = 446,057.55 × 256,245.30
  4. Step 4: Simplify right side
    297,717.30x = 114,300,150,717.02
  5. Step 5: Solve for x
    x = 114,300,150,717.02/297,717.30
  6. Step 6: Final answer
    x = 383,921.76

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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.