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Finding the Fourth Proportional to 383,883.78, 529,771.02 and 214,114.26

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Solution

The fourth proportional to 383,883.78, 529,771.02 and 214,114.26 is: 295,484.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,883.78 : 529,771.02 = 214,114.26 : x
  2. Step 2: Convert to fraction form
    383,883.78/529,771.02 = 214,114.26/x
  3. Step 3: Cross multiply
    383,883.78x = 529,771.02 × 214,114.26
  4. Step 4: Simplify right side
    383,883.78x = 113,431,529,916.75
  5. Step 5: Solve for x
    x = 113,431,529,916.75/383,883.78
  6. Step 6: Final answer
    x = 295,484.04

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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.