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Finding the Fourth Proportional to 297,673.20, 445,732.20 and 283,676.40

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Solution

The fourth proportional to 297,673.20, 445,732.20 and 283,676.40 is: 424,773.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,673.20 : 445,732.20 = 283,676.40 : x
  2. Step 2: Convert to fraction form
    297,673.20/445,732.20 = 283,676.40/x
  3. Step 3: Cross multiply
    297,673.20x = 445,732.20 × 283,676.40
  4. Step 4: Simplify right side
    297,673.20x = 126,443,705,860.08
  5. Step 5: Solve for x
    x = 126,443,705,860.08/297,673.20
  6. Step 6: Final answer
    x = 424,773.56

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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.