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Finding the Fourth Proportional to 454,234.52, 626,704.88 and 263,211

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Solution

The fourth proportional to 454,234.52, 626,704.88 and 263,211 is: 363,150.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,234.52 : 626,704.88 = 263,211 : x
  2. Step 2: Convert to fraction form
    454,234.52/626,704.88 = 263,211/x
  3. Step 3: Cross multiply
    454,234.52x = 626,704.88 × 263,211
  4. Step 4: Simplify right side
    454,234.52x = 164,955,618,169.68
  5. Step 5: Solve for x
    x = 164,955,618,169.68/454,234.52
  6. Step 6: Final answer
    x = 363,150.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.