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Finding the Fourth Proportional to 383,475.93, 529,236.14 and 230,563.92

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Solution

The fourth proportional to 383,475.93, 529,236.14 and 230,563.92 is: 318,201.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,475.93 : 529,236.14 = 230,563.92 : x
  2. Step 2: Convert to fraction form
    383,475.93/529,236.14 = 230,563.92/x
  3. Step 3: Cross multiply
    383,475.93x = 529,236.14 × 230,563.92
  4. Step 4: Simplify right side
    383,475.93x = 122,022,759,044.07
  5. Step 5: Solve for x
    x = 122,022,759,044.07/383,475.93
  6. Step 6: Final answer
    x = 318,201.87

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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.