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Finding the Fourth Proportional to 383,676.66, 529,305.66 and 365,889.06

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Solution

The fourth proportional to 383,676.66, 529,305.66 and 365,889.06 is: 504,766.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,676.66 : 529,305.66 = 365,889.06 : x
  2. Step 2: Convert to fraction form
    383,676.66/529,305.66 = 365,889.06/x
  3. Step 3: Cross multiply
    383,676.66x = 529,305.66 × 365,889.06
  4. Step 4: Simplify right side
    383,676.66x = 193,667,150,390.08
  5. Step 5: Solve for x
    x = 193,667,150,390.08/383,676.66
  6. Step 6: Final answer
    x = 504,766.57

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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.