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Finding the Fourth Proportional to 383,657.82, 529,279.83 and 365,870.22

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Solution

The fourth proportional to 383,657.82, 529,279.83 and 365,870.22 is: 504,740.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,657.82 : 529,279.83 = 365,870.22 : x
  2. Step 2: Convert to fraction form
    383,657.82/529,279.83 = 365,870.22/x
  3. Step 3: Cross multiply
    383,657.82x = 529,279.83 × 365,870.22
  4. Step 4: Simplify right side
    383,657.82x = 193,647,727,843.66
  5. Step 5: Solve for x
    x = 193,647,727,843.66/383,657.82
  6. Step 6: Final answer
    x = 504,740.73

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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.