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Finding the Fourth Proportional to 383,519.00, 529,257.29 and 230,644.77

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Solution

The fourth proportional to 383,519.00, 529,257.29 and 230,644.77 is: 318,290.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,519.00 : 529,257.29 = 230,644.77 : x
  2. Step 2: Convert to fraction form
    383,519.00/529,257.29 = 230,644.77/x
  3. Step 3: Cross multiply
    383,519.00x = 529,257.29 × 230,644.77
  4. Step 4: Simplify right side
    383,519.00x = 122,070,424,082.31
  5. Step 5: Solve for x
    x = 122,070,424,082.31/383,519.00
  6. Step 6: Final answer
    x = 318,290.42

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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.