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Finding the Fourth Proportional to 383,660.07, 529,282.94 and 365,872.47

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Solution

The fourth proportional to 383,660.07, 529,282.94 and 365,872.47 is: 504,743.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,660.07 : 529,282.94 = 365,872.47 : x
  2. Step 2: Convert to fraction form
    383,660.07/529,282.94 = 365,872.47/x
  3. Step 3: Cross multiply
    383,660.07x = 529,282.94 × 365,872.47
  4. Step 4: Simplify right side
    383,660.07x = 193,650,054,757.30
  5. Step 5: Solve for x
    x = 193,650,054,757.30/383,660.07
  6. Step 6: Final answer
    x = 504,743.83

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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.