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Finding the Fourth Proportional to 297,050.78, 443,402.82 and 255,199.80

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Solution

The fourth proportional to 297,050.78, 443,402.82 and 255,199.80 is: 380,932.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,050.78 : 443,402.82 = 255,199.80 : x
  2. Step 2: Convert to fraction form
    297,050.78/443,402.82 = 255,199.80/x
  3. Step 3: Cross multiply
    297,050.78x = 443,402.82 × 255,199.80
  4. Step 4: Simplify right side
    297,050.78x = 113,156,310,983.44
  5. Step 5: Solve for x
    x = 113,156,310,983.44/297,050.78
  6. Step 6: Final answer
    x = 380,932.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.