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Finding the Fourth Proportional to 297,662.20, 445,715.70 and 283,665.40

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Solution

The fourth proportional to 297,662.20, 445,715.70 and 283,665.40 is: 424,757.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,662.20 : 445,715.70 = 283,665.40 : x
  2. Step 2: Convert to fraction form
    297,662.20/445,715.70 = 283,665.40/x
  3. Step 3: Cross multiply
    297,662.20x = 445,715.70 × 283,665.40
  4. Step 4: Simplify right side
    297,662.20x = 126,434,122,326.78
  5. Step 5: Solve for x
    x = 126,434,122,326.78/297,662.20
  6. Step 6: Final answer
    x = 424,757.06

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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.